Biomolecules are used in cells to build cells and provide energy to cells.
Living organisms are built from the element carbon which has a mass of more than half the dry mass of their cells. Elemental carbon can form single bonds with hydrogen atoms, and double bonds with oxygen atoms or nitrogen atoms. The carbon atom is special because of its ability to form very stable bonds with other carbon atoms so that it can form very large molecules. Two carbon atoms can also be bonded together to form a double or triple bond.
Most biomolecules can be viewed as derivatives of carbonates, a group of compounds consisting only of the elements carbon and hydrogen, by replacing one or several hydrogen atoms with certain functional groups, resulting in various groups of carbon compounds with distinctive properties.
Learn more about biomolecule at https://brainly.com/question/10904629
#SPJ4
How does the image of the dead bird wrapped in a silk cloth strengthen the feminist theme?
The bird represents Mrs. Wright's loneliness during her marriage to Mr. Wright.
Susan Glaspell's Trifles is a one-act drama. On August 8, 1916, the Provincetown Players staged it at the Wharf Theatre in Provincetown, Massachusetts. Glaspell portrayed Mrs. Hale in the original production. The drama is regularly anthologized in textbooks of American literature. The play, written during the first wave feminist movement, contrasts how women act in public and in private, as well as how they perform in front of other women vs males.
Through the absence of its main character, Mrs. Wright, Trifles addresses the issue of identity. Glaspell reveals how a person's identity is "just as much created as innate" by leaving this figure off stage. Mrs. Wright can only be perceived by the audience via the lens of the on-stage characters as they review and debate her personal life and alleged crime, and these characters may not all perceive Mrs. Wright in the same way. The spectator gets a well-rounded image of Mrs. Wright and how her identity is flexible and evolves based on the preconceptions of the other characters from the group in the farmhouse.
To learn more about Trifles, here
brainly.com/question/30125129
#SPJ4
Indicate whether the glven act would create water retention or water loss In the body.
Dry mouth ~ Increased osmolarity of blood aldostorenone hyposecretion ~ Decreased renal tubular reabsorption of water Renin release ~ Hyponatremia
Increased blood pressure ~ Ingestion of water
ADH hypersecretion ~ Hyperkalemia
Increased water permeability of the DCT and collecting ducts of the kidneys ~ Hemorrhage
Exercise in a warm climate
ADH and testosterone increase the risk of heart and volume as the water is absorbed into the bloodstream into to the capillaries, bringing the blood salt concentration back to normal.
What does the renin enzyme do in response to a lower ph quilt in the kidney?An enzyme known as renin is released by kidney cells in response to low blood pressure. The kidneys reabsorb salt due to renin. Water retention is a constant side effect of sodium reabsorption. Blood pressure and volume are restored as a result.
Which hormone promotes water retention while guarding against dehydration?A deficiency of renin - angiotensin system (ADH), also known as prolactin, usually prevents hydration, or the kidneys and liver inability to react to ADH, are the two main causes of diabetes insipidus. The kidneys may hold onto the body's fluids thanks to ADH. The steroid.
To know more about ADH visit :
https://brainly.com/question/14326518
#SPJ4
Which of the following best describes the relationship between earthquakes and tsunamis?
A
An underwater earthquake can cause a tsunami.
B
Both are the result of big volcanic explosions.
C
Tsunami waves are the main cause of earthquakes.
D
Earthquakes prevent tsunamis from occurring
Option A. An underwater earthquake can cause a tsunami best describes the relationship between earthquakes and tsunamis.
What is an underwater earthquake or tsunami?An underwater earthquake or tsunami is a phenomenon in which an earthquake under the aquatic enviroment (i.e. the ocean) may cause the movement of higher waves that are transported to the coastline and thus they may cause neutral disasters, it is for that reason that tsunami is very dangerous and we need to be prepared under this type of situation when alerting the presence of an earthquake in the coastline zones.
Therefore, with this data, we can see that an underwater earthquake or tsunami is a natural phenomenon that may lead to climatic disasters and may be very harmful to human populations located on the coastline of a certain region of the earth, thereby we need to be prepared for these situations.
Learn more about a tsunami here:
https://brainly.com/question/11687903
#SPJ1
I need help knowing what the independent variable is to this
In an experiment, the independent variable is the color or the wavelength of the light. The dependent variable is the amount of absorption.
What is Blue light therapy?Blue light therapy is also known as photodynamic therapy. It is a type of light treatment that is used to treat diseased or damaged skin. It uses medicines called photosensitizing agents along with specific wavelengths of blue light to destroy abnormal skin cells while leaving the surrounding tissue unharmed.
Is the color of light a dependent variable?In an experiment to determine the absorption of light of different colors, the independent variable is the color or the wavelength of the light. The dependent variable is the amount of absorption. The independent variable is the variable that the experimenter changes on their own.
To know more about absorption of light, visit:
https://brainly.com/question/13525607
#SPJ1
Many organisms, such as honeybees and livestock, have been domesticated for economic reasons. Which of the following best describes an unintended consequence of this practice
Domestication of many organisms, such as honeybees and livestock causes a decrease in the genetic diversity of the organisms.
Genetic diversity refers to the range of genetically different individuals that are present in the same species. Domestication is the process by which the wild animals as well as plants are adapted to the human environment.
Domestication of livestock and honeybees is often done for economic reasons. An unintended consequence of the process of domestication is the decrease in the genetic diversity of the species. This decreases leads to a decrease in the variation which reduces the survival advantage of these species.
To know more about variation here
https://brainly.com/question/30112568
#SPJ4
How do organs work together in the nervous system to allow a fish to react to stimuli in its environment?
A. External stimuli trigger signals that move through the gills to the gill filaments, which send signals to the brain.
B. The brain sends signals through the lymph nodes to the skin, where the muscles decide how to react.
C. The brain sends signals through the spinal cord, which sends signals to nerves in the central nervous system.
D. External stimuli trigger signals that move through the nerves to the brain, which processes the information.
Answer:
D. External stimuli trigger signals that move through the nerves to the brain, which processes the information.
Explanation:
The brain then sends signals through the spinal cord, which sends signals to nerves in the central nervous system. The muscles then decide how to react based on the signals from the central nervous system.
Explanation:
How do organs work together in the nervous system to allow a fish to react to stimuli in its environment?
A. External stimuli trigger signals that move through the gills to the gill filaments, which send signals to the brain.
B. The brain sends signals through the lymph nodes to the skin, where the muscles decide how to react.
C. The brain sends signals through the spinal cord, which sends signals to nerves in the central nervous system.
D. External stimuli trigger signals that move through the nerves to the brain, which processes the information.
A normal or narrow QRS complex indicates that the impulse was not formed in the ventricles and is termed:
A normal or narrow QRS complex indicates that the impulse was not formed in the ventricles and is termed supraventricular tachycardia.
Narrow (normal) QRS complexes indicate that the ventricles are depolarized normally; this can only be the case if the impulse (which depolarizes the ventricles) passes through the bundle of His, and hence it originates in the atria. In other words, tachycardias with narrow QRS complexes originate in the atria.
A narrow QRS complex (<120 ms) reflects rapid activation of the ventricles via the normal bundle of His-Purkinje system, which in turn suggests that the arrhythmia originates above or within the His bundle so supraventricular tachycardia occurs. Although such type of tachycardia often occurs in patients with a normal heart and rarely represents life threatening conditions.
For further learning about QRS complex, follow the link :
https://brainly.com/question/30020727
#SPJ4
how can the silent march best be described the silent protest
Answer:
There is no singing or chanting, just the muffled thump of drums.
Explanation:
Which structure fuses to form a diploid zygote during sexual reproduction?
Answer:During sexual reproduction, two haploid cells, called gametes, fuse to form a diploid cell called a zygote. In animals, the gametes are sperm and eggs, and the process by which they fuse is called fertilization. In plants, the gametes are produced by the male and female reproductive cells, called the microgametes and the megagametes, respectively, and the process is called syngamy.
During fertilization in animals, the sperm penetrates the egg, and the nuclei of the sperm and egg fuse, combining their genetic material. This forms the diploid zygote, which then undergoes cell division to form a multicellular organism.
In plants, the fusion of the microgametes and megagametes occurs at the tip of the pollen tube and the egg cell. This process is called double fertilization, which leads to the formation of a diploid zygote and a triploid cell called the endosperm, which provides nourishment for the developing seed.
In both case, sperm and egg or micro and mega gametes are the structure fusing to form diploid zygote during sexual reproduction.
Which of the following statements is correct?
F. Accessory pigments are not involved in photosynthesis.
G. Accessory pigments add color to plants but do not absorb light energy.
H. Accessory pigments absorb colors of light that chlorophyll a cannot absorb.
J. Accessory pigments receive electrons from the electron transport chain of photosystem I.
Answer:
G. Accessory pigment add color to plant but do not absorb light energy.
Answer:
G is the correct answer!!!
Explanation:
. A student using a compound
light microscope
to study plant cells observed that most of the
cells resembled the one shown in the following
diagram.
Under the compound microscope, a plant cell exposed to a cytoplasmically hypertonic liquid will appear smaller or constricted than a typical cell.
What is a microscope?Equipment called a microscope is used to see things that are too small to be seen with the unaided eye. In science labs and schools, microscopes are frequently used to view a variety of minute objects, including cells, bacteria, tissue structures, minerals, and electronics. Magnification (enlarging the image) and contrast are provided by microscopes (making them stand out of the background). To do this, microscopes are composed of a few magnification lenses, each with a different level of magnification and focusing power.
What do you understand by hypertonic liquid?The salt solution is hypertonic with regard to the interior of the cells if there is a larger concentration of solutes outside the cell than inside it, as would occur if you placed red blood cells in a concentrated salt solution. Crenation, or the process by which red blood cells shrink and shrivel as water escapes, occurs until the solute concentration within and outside of the red blood cells is the same.
To know more about microscopes, check out:
https://brainly.com/question/820911
#SPJ1
humans the allele for normal blood clotting, B is dominant to the allele for hemophilia, b. This is a sex-linked trait und on the X chromosome. The last Tsar of Russia (Nicholas II did not have hemophilia. His wife (Alexandra) also did not have hemophilia. They had a hemophiline son, and four normal daughters. What is/are the probable genotype(s) for each member of the family? Tsar Nicholas Empress Alexandra Daughter Olga Nikolaevna Daughter Tatiana Nikolaevna Daughter Maria Nikolaevna Daughter Anastasia Nikolaevna Son Alexei Nikolaevich
Tsar Nicholas: XBXB (since he does not have hemophilia, he must be homozygous dominant for the normal blood clotting allele)
Empress Alexandra: XBXb (since she does not have hemophilia, she must be a carrier of the hemophilia allele)
Daughter Olga Nikolaevna: XBXB or XBXb (she could have inherited the normal allele from her father or the carrier allele from her mother)
Daughter Tatiana Nikolaevna: XBXB or XBXb (same as Olga)
Daughter Maria Nikolaevna: XBXB or XBXb (same as Olga)
Daughter Anastasia Nikolaevna: XBXB or XBXb (same as Olga)
Son Alexei Nikolaevich: XbXb (since he has hemophilia, he must have inherited the hemophilia allele from his mother and a second copy from his father, who is the carrier).
To know more about hemophilia visit :
https://brainly.com/question/29775290
#SPJ4
What happens if a cell gets too large for the amount of DNA it has?
The cell is the fundamental unit of life and its structure is highly dependent on the amount of DNA it contains. As such, if a cell gets too large for the amount of DNA it has, it can lead to a range of problems for the cell. This is because the amount of DNA a cell contains determines its size, shape, and the number of processes it can carry out.
One consequence of having too little DNA for a large cell is that it will not be able to divide properly during cellular reproduction. This is because the DNA is responsible for providing instructions to the cell about how to divide and replicate itself, and if there is not enough DNA present, the cell will not be able to divide correctly. As a result, the cell may become deformed or contain abnormal structures or functions.
In addition, when the cell is too large for the amount of DNA it has, it often results in a decrease in the amount of proteins it produces. This is because the DNA is responsible for providing instructions to the cell on how to produce proteins, which are essential for cell growth and development. Without enough DNA to provide these instructions, the cell cannot produce the necessary proteins and is not able to function properly.
For more information on cell , visit :
https://brainly.com/question/27827698
#SPJ4
fresh shell eggs must be refrigerated upon receipt, at an ambient temperature of ____
In order to receive raw eggs, refrigeration equipment that keeps the surrounding air at or below 7°C (45°F) is required.
How should shell eggs be kept at room temperature?45 degrees Fahrenheit According to regulations published in 9 CFR 590.50 by the Food Safety and Inspection Service of the United States Department of Agriculture, shell eggs intended for human consumption must be transported and stored in refrigeration at a temperature of 45 degrees Fahrenheit (7.2 degrees).
Which temperature is the warmest for shell eggs to be received?These amendments require that shell eggs packed for consumption be transported and stored at a temperature of 45°F (7.2°C) or less under refrigeration.
To learn more about temperature here:
https://brainly.com/question/13005719
#SPJ1
The ability of a lung to recoil, or recover from stretch, is called ________.
Elastance is the capacity of a lung to recoil or rebound after strain.
What use does the lung serve?Respiration, a mechanism of gas exchange, is the major purpose of the lungs (or breathing). During breathing, Co₂, a metabolic waste product, exits the bloodstream while oxygen from air flowing enters. Reduced lung effect can be attributed to the lungs' diminished capacity to exchange gases.
Do your lungs allow us to survive?Typically, you need one lung or more to survive. In one instance, a patient had to have both lungs extracted and it was maintained alive for six days on life support before receiving a lung transplant. Since one needs both lungs to survive, this is not a routine treatment.
To know more about lung visit:
https://brainly.com/question/9904590
#SPJ4
Answer ASAP Please!!!!!!!!
In ancient Greece, Aristotle developed a system of classification which was used for the next 2000 years to describe relationships between living things. Which of the following questions would be most difficult to answer based on Aristotle's classification of living things?
1. Are cows more complex than oak trees?
2. Are tomato plants higher or lower than snails?
3. Which species shows less complexity, a cat, or a dog?
4. Which organism is lower, a squirrel or a lobster?
The most difficult to classify by the method of Aristotle is; which species shows less complexity, a cat, or a dog?. Option 3
What is the classification of life?We know that the classification of life is none of the key areas that we have in biology. There are so many living things that are in existence that we find it quite bogus to find out a way or a method that we can be able to use in the putting of all the living things into the groups that may fit them all.
There have been so many attempts at the classification of the living things and most of the attempts that we have have come from the leading scientists of the day and they are all geared towards the process of the understanding of life.
The first of these methods was put out by Aristotle but thye current system of the classification of the living things have been made by Linnaeus.
In the classification of Aristotle, living in things were classified based on where they live and also based on whether or not they are able to move.
Learn more about taxonomy:https://brainly.com/question/19184314
#SPJ1
Answer:
The correct answer is Which species shows less complexity, a cat or a dog?
Explanation:
That is because according to him, land animals were more complex than sea animals, and plants were less complex than animals, so all other are easy to decide on their complexity. Cats and dogs however are difficult to determine who is more complex.
Which of the following structures associated with the spinal cord contains the cell bodies of primary somatic motor neurons (a.k.a., alpha motor neurons)?
intermediolateral cell column
ventral root
dorsal column
mixed spinal nerve
ventral horn
The structures associated with the spinal cord contain the cell bodies of primary somatic motor neurons (a.k.a., alpha motor neurons) in ventral horn.
Thus, the correct answer is E.
The spinаl cord is the most importаnt structure between the body аnd the brаin. The spinаl cord extends from the forаmen mаgnum where it is continuous with the medullа to the level of the first or second lumbаr vertebrаe. It is а vitаl link between the brаin аnd the body, аnd from the body to the brаin.
Similаr cross-sectionаl structures аt аll spinаl cord levels. It cаrries sensory informаtion (sensаtions) from the body аnd some from the heаd to the centrаl nervous system (CNS) viа аfferent fibers, аnd it performs the initiаl processing of this informаtion. Motor neurons in the ventrаl horn project their аxons into the periphery to innervаte skeletаl аnd smooth muscles thаt mediаte voluntаry аnd involuntаry reflexes. It contаins neurons whose descending аxons mediаte аutonomic control for most of the viscerаl functions.
For more information about the spinal cord refers to the link: https://brainly.com/question/23916836
#SPJ4
6. Give an example to illustrate how scientists can better understand a complex system by
studying its smaller component parts.
HELP ME PLS ION UNDERSTAND THIS
An example of how scientists can better understand a complex system by studying its smaller component parts is looking at how cells work.
What are Cells?
Cells basically are the basic building blocks of all living things. They are the smallest units of life, and they make up all organisms, from single-celled bacteria to complex plants and animals. Cells are made up of many different parts, including a nucleus, mitochondria, and cytoplasm. Cells are able to reproduce, grow, and specialize to form the various tissues and organs of the body.
They are the basic building blocks of all living things, and understanding how cells work can help scientists better understand how the body and its systems work as a whole. By studying the components of cells such as proteins, DNA, and organelles, scientists can gain insight into how the complex functions of the body operate, and how diseases such as cancer may be caused or treated.
To know more about cells,
https://brainly.com/question/16006364
#SPJ1
6. Imagine you begin your journey as a bead of sweat on an athlete at a track meet. What steps
might you take if you end your journey in the ocean?
Ocean swimming in triathlon can be intimidating, but knowing a few tricks and what to expect in an ocean environment can help make the experience bearable. A triathlon open ocean swim is a natural part of the sport.
Ocean swimming SportSwimming is a great aerobic activity, and swimming through waves in the ocean will help you improve your anaerobic fitness and swimming strength.
While there are risks to open water swimming, such as strong currents and unpredictable weather, it is a great way to get outside, explore nature, and improve your physical and mental health.
Here is a list of open water swimming gear that will help improve your performance and keep you safe in the water:
Wetsuit (thermal/neoprene material if swimming in the winter)Swimming capDry bag (to store car keys and your phone)Tow float (adds buoyancy)Emergency whistleSwimming socks / shoes / gloves (only needed in the winter)Swimming goggles (clear / mirrored or prescription lenses)A wetsuit and a cap can help your body adjust to the temperature of the water (especially when swimming in cold water). As a result, you can spend less time trying to acclimatize and more time swimming. You will also feel more secure and comfortable.
An emergency whistle ensures that you can summon assistance in an emergency, and a tow float can provide you with a brief resting spot to catch your breath. So, instead of leaving the water right away when you're tired, you can now recharge and catch your second wind.
To know more about Ocean swimming refer to:
https://brainly.com/question/1415606
#SPJ1
Which of the following statements is most accurate in comparing the sexual orientations of women and men: Women's sexual orientations seem to be more plastic or flexible than those of men.
Men tend to avoid labeling their orientations, whereas women tend to spend considerable time labeling themselves accurately.
Men's sexual orientations change more over time than do the orientations of women.
The ways that men and women experience their sexual orientations are remarkably similar.
Women's sexual orientations seem to be more plastic or flexible than those of men.
Sexual orientation is an ongoing romantic or sexual attraction to people of the opposite sex or gender, the same sex or gender, or both sexes. Heterosexuality, homosexuality, and bisexuality encompass these attractions, while asexuality is sometimes considered a fourth category.
The American Psychological Association defines sexual orientation as "a person's sense of identity based on those attractions, related behaviors, and membership in a community of others who share those attractions".
Behavioral science uses androphilia and gynephilia to describe sexual orientation instead of gender. Androphilia is sexual attraction to masculinity; gynephilia to femininity. Psychological research distinguishes sexual preference from sexual orientation, which overlaps. Bisexuals may prefer one sex over the other. Sexual orientation is not a choice, but sexual preference may be.
Want to know more about sexual orientations visit the link which is given below;
https://brainly.com/question/14342078
#SPJ4
how is homeostasis maintained in glucose regulation using an example and what culd happen if the homeostasis isnt maintained
Answer:
Homeostasis is the maintenance of a stable internal environment within the body. In the case of glucose regulation, the body works to maintain a stable blood glucose level by releasing hormones such as insulin and glucagon. If homeostasis is not maintained in glucose regulation, it can lead to conditions such as hyperglycemia (high blood glucose levels) or hypoglycemia (low blood glucose levels). Both of these conditions can be serious and potentially life-threatening if left untreated. Hyperglycemia can lead to diabetes and other long-term health problems, while hypoglycemia can cause symptoms such as dizziness, weakness, and fainting.
Answer:
Through its various hormones, particularly glucagon and insulin, the pancreas maintains blood glucose levels within a very narrow range of 4–6 mM. This preservation is accomplished by the opposing and balanced actions of glucagon and insulin, referred to as glucose homeostasis
I need help on question 15 please
The overall force in Newtons the ostrich egg would experience would be 19.6 Newtons.
What do you mean by Force?
Force is an influence that can change the motion of an object, cause an object to change shape, or produce motion or stress in a stationary object. It is basically a vector quantity, meaning it has both magnitude and direction. Examples of forces include gravity, friction, and electric and magnetic forces.
This can be calculated by using the equation mv = p, where m is the mass of the object (1.4 kg in this case), v is the acceleration (14 meters per second), and p is the overall force. Thus, p = 1.4 kg x 14 m/s = 19.6 N.
To know more about force,
https://brainly.com/question/12785175
#SPJ1
HURRY I NEED HELP PLEASE
Part A According to data presented in this chapter, which of the following statements is correct? Species are created independently of each other and do not change over time. The traits of populations become more perfect over time O Individuals -not populations -change when natural selection occurs. O When individuals change in response to challenges from the environment, their altered traits are not passed on to offspring. SubmitR Request Answer Provide Feedback
The correct statement is c)Populations - not individuals - change when natural selection occurs..So,correct option is c.
Natural Selection follows up on a life form's aggregate, or noticeable elements. Aggregate is many times to a great extent a result of genotype (the alleles, or quality forms, the living being conveys). At the point when an aggregate created by specific alleles helps organic entities make due and duplicate better compared to their friends, normal determination can build the recurrence of the supportive alleles starting with one age then onto the next - that is, it can cause microevolution.
Some important steps involved in evolution of natural selection
Natural Selection can cause microevolution (change in allele frequencies), with wellness expanding alleles turning out to be more normal in the populace.Wellness is a proportion of conceptive achievement (the number of posterity an organic entity leaves in the future, comparative with others in the gathering).Natural Selection can follow up not entirely settled by elective alleles of a solitary quality, or on polygenic (still up in the air by numerous qualities).Natural Selection not entirely settled by different qualities might appear as balancing out choice, directional determination, or troublesome choice.Hence,correct choice is c.
To know more about natural selection, visit here:
https://brainly.com/question/2725702
#SPJ4
(Complete question) is:
According to data presented in this chapter, which one of the following statements is correct?
a. When individuals change in response to challenges from the environment, their altered traits are passed on to offspring.
b. Species are created independently of each other and do not change over time.
c. Populations - not individuals - change when natural selection occurs.
d. The traits of populations become more perfect over time.
Synthesize In your own words, explain the effect of sea otters on kelp forests, and what
Estes's findings suggest about managing predator-pray relationships in local environments.
A kelp forest can be safeguarded by the presence of sea otters. They consume a lot of sea urchins, which controls their population and keeps the kelp forest from being destroyed. One of the foundational species of the coastal ecology is the sea otter.
What Are sea otters?Marine animals known as sea otters (Enhydra lutris) live along the coasts of the Aleutian Islands and North America's mainland up to Mexico.. Fish, sea urchins, mollusks, and crustaceans make up the majority of sea otters' diets. Sea otters are keystone species is one that has a significant, calming effect on the entire ecological community.
Sea otters are a keystone species that keeps kelp forest ecosystems in a healthy balance in addition to regulating populations of ravenous kelp grazers.To prevent floating away in the churning sea while they sleep, sea otters prefer to anchor in kelp or large seaweed. To keep each other company, they share this quality. They stick within the group as a result to keep from vanishing into the distance.It's thought that sea otters contributed to the preservation of kelp forests. This reduces the degradation of the kelp forest and helps control the population in addition to eating a lot of sea urchins. A keystone species, sea otters are crucial to the ecosystem of the coastal region.Sea otters, a form of plankton, can put pressure on sea urchins by consuming and grazing on them. Because sea urchins are grazers of kelp and are a species of plankton, sea otters can consume them and graze on them. As kelp is subjected to less grazing pressure due to the decreased urchin density, kelp forests can grow in the presence of sea otters.Kelp forestsA versatile sea vegetable, kelp can be eaten raw, cooked, or as a component of several supplements. Sushi, salads, sauces, and other dishes must all have kelp. Particularly sea otters are essential to the health of kelp forests, which are essential to the health of the bay. Sea urchins, which may completely devastate kelp beds without them, instead eat the stripes of huge kelp plants, which are not consumed by sea otters.
The Significance Of Sea Otters In Alaska’s Kelp ForestsSea otters play a key part in the kelp forests around the coast of Alaska. More than 20 distinct species of fish live in kelp forests, which also serve as spawning and breeding grounds for herring, atka mackerel, and salmon fry nurseries. Sea otters contribute to the energy flow between the ocean and kelp forest. Sea otters feed on kelp forests because they are dense, which opens up the canopy to let sunlight reach the floor and feed herbivores. Because sea otters graze on urchins, a primary pest in kelp forests, the urchin population is impacted, which harms the canopy of kelp forests.
To know more about The effect of sea otters on kelp forests refer to:
https://brainly.com/question/495746
#SPJ1
Select the choice that best completes the following sentence: _______ reproduction requires one parent, while _______ reproduction requires two parents.
A. sexual , asexual
B. asexual , sexual
C. single , double
D. animal, bacterial
Asexual reproduction requires one parent, while sexual reproduction requires two
What is reproduction?The biological process by which new individual organisms - "offspring" - are formed from their "parent" or parents is known as reproduction. Each individual organism exists as a result of reproduction, which is a fundamental aspect of all known life. Asexual and sexual reproduction are the two types of reproduction.
Asexual reproduction is a type of reproduction in which a single parent produces a new progeny. The newly generated individuals are genetically and physically identical to one another, i.e., they are clones of their parents.
On the other hand, sexual reproduction is the process of creating new organisms by combining the genetic information of two individuals of different sexes. The genetic information in most animals is carried on chromosomes in the nucleus of reproductive cells called gametes, which unite to form a diploid zygote.
Learn more about reproduction here:
https://brainly.com/question/815744
#SPJ1
Describe the similarities and differences between alcoholic fermentation carried out by yeast to make alcoholic beverages and lactate-acid fermentation carried out within the human body. Source StylesFormatFontSize
The main difference between alcoholic fermentation and lactic acid fermentation is that of their end-products.
The primary distinction between lactic acid and alcoholic fermentation is that the latter results in the production of ethyl alcohol and carbon dioxide while the former yields lactic acid molecules from pyruvate.
Differences between the two processes include he following:
Pyruvate and lactate are produced directly after fermentation of lactic acid. Pyruvate is converted to ethanol by the two-step process of alcohol fermentation.End-products: Lactase and energy in lactic acid fermentation, while C02, alcohol, and energy in alcoholic fermentation are the end products. The enzymes involved in the fermentation processes of lactic acid are lactate dehydrogenase and pyruvate decarboxylase. Pyruvate decarboxylase and alcohol dehydrogenase are the two enzymes required for alcoholic fermentation.Similarities between the two processes include the following:
The two pathways convert ATPs from the breakdown of glucose.The two processes' major objective is to recycle NAD+ in order to keep glycolysis going and allow for the NAD+ to be reduced back to NADH in the process.Both processes release heat energy and are exergonic.Each produces 4 ATPs during glycolysis, the same amount as the other.To know more about fermentation, refer to the following link:
https://brainly.com/question/14696782
#SPJ4
8.
How do animal and plant viruses acquire an envelope?
A.
They synthesise it.
B. From the culture growth medium
C.
D.
E. It is part of a wall of the bacterial cell.
From the nuclear membrane of the host cell
They take it from other viruses.
Cellular membranes in a process called budding animal and plant viruses acquire an envelope.
What is an envelop?
The cell membrane, cell wall, and outer membrane, if present, make up the cell envelope. Typically, prokaryotes like bacteria exhibit this envelope. It consists of a bacterium's cell wall and inner cell wall. The integrity of the cell's structure is provided by the cell envelope.
The cell wall, the cell membrane, and any outside membrane that may be present make up the cell envelope. The cytoplasmic membrane, cell wall, and capsule make up the cell envelope in Gram-positive bacteria with a single membrane.
The complex, dynamic, multilayered cell envelope serves to shield bacteria from their uncontrollable and frequently hostile surroundings. Most bacteria's cell walls can be divided into one of two categories.
Read more about envelop:
https://brainly.com/question/3543039
#SPJ1
9.-13. Match the description to its anatomical term.
-
A membranous, serous layer attached
to a fibrous sac
A tissue composed of layers and bundles
of cardiac muscles
Outside layer of the heart wall that's
interspersed with adipose
The interior lining of the heart
External grooves that indicate the regions
of the heart
a. Visceral pericardium
b. Sulci
c. Endocardium
d. Myocardium
e. Parietal pericardium
The regions of the heart: Visceral pericardium, c. Endocardium, d. Myocardium, e. Parietal pericardium.
What is Visceral pericardium?The visceral pericardium, sometimes referred to as the epicardium, is the innermost layer of the pericardium, a sac that encloses the heart and its major vessels. It is composed of a thin mesothelial membrane which is continuous with the outer layer, the parietal pericardium. The visceral pericardium is firmly attached to the heart and the great vessels, and its surface is covered with a thin layer of serous fluid that acts as a lubricant and helps reduce friction between the heart and the outer layers of the pericardium.
To learn more about Visceral pericardium
https://brainly.com/question/9640114
#SPJ1
What religions allow premarital sex?
All major faiths condemn premarital sex, but Muslims appear to take Islam's prohibitions more seriously.
Adamczyk and Hayes wanted to know if individual choice or national culture was more to blame for the lower rate of premarital sex among Muslims. Premarital sex is a practise whereby two people engage in sexual activity before becoming married. Many cultures forbid it as a moral flaw, and many religions consider it to be sinful. In India, adult premarital activity is legal. Premarital sex between two individuals (above the age of 18) is not clearly prohibited in our charter.
Learn more about premarital sex at
https://brainly.com/question/29795971?referrer=searchResults
#SPJ4