Answer:
When activated, adenylyl cyclase converts a large number of ATP molecules into signaling molecules, called cyclic AMP (cAMP). Because cAMP carries the message of the first messenger (epinephrine) into the cell, cAMP is referred to as a second messenger.
Explanation:
Adenylyl cyclase turns a large number of molecules of ATP into the signaling molecules cyclic AMP when it is activated (cAMP). cAMP is referred to as a second messenger because it delivers the signal of the first messenger (epinephrine) into cell.
What is cAMP?Cyclic adenosine monophosphate, often known as cyclic AMP or cAMP, is a tiny, hydrophilic molecule that functions as an essential intracellular second messenger molecule that is controlled in a variety of physiological activities.
It is now understood that cAMP regulates cellular activity in all organisms, including amoebas, plants, and people. The biological functions of memory, metabolism, gene regulation, and immunity are all mediated by this second messenger.
Therefore, Adenylyl cyclase turns a large number of molecules of ATP into the signaling molecules cyclic AMP when it is activated (cAMP). cAMP is referred to as a second messenger because it delivers the signal of the first messenger (epinephrine) into cell.
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2.) Complete the diagram for the organization of life.
a.) ecosystem
b.) organelle
c.) organisms
d.) organs
Answer:
organelle
In the completed diagram the last organization of life the third structure is organelle. Thus, option B is correct.
What is organisation level in the living things?
In the case of living things first of all they are made up of the cell and the cell has been known as the basic and fundamental unit of the living things, after that cells combined and they form tissue, or we can say that group of cell is known as tissue.
Tissues combined together and they form muscles and these muscles are of several types and after that muscles combined together and they form organ and each of the organ of the body is made up of different types of tissue. Like heart is made up of such type of tissue that never takes rest.
At last the organs or we can say that two three organs combined together to form the organ system of the body such as nervous system, respiratory system, and these systems combinedly form the whole organism.
Therefore, In the completed diagram the last organization of life the third structure is organelle. Thus, option B is correct.
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Plants exhibit movements in response to various
a) stimuli b) light c) water d) chemicals
Answer:
plants move towards to the source of light
Describe a genetic disorder which is caused by mutation, its causes and effects to a person.
Can any one please help me in this biology question?
Answer:
Do you mean something like conjoined twins/triplets?
Explanation:
Conjoined twins are born with their bodies connected together. Sometimes by the head, stomach or leg and 70% of conjoined twins are female. Hope that helped!
Why are tigers killed Or Why are they endangered?
No copied answers
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Because some species are dangerous to man
Answer:
because they can be sold dearly or their skins, it will be possible to make stuffed animals out of them, it will also be possible to sell them to countries where they do not exist and get a lot of money
Which choice most accurately describes the effect of energy on materials during absorption?
The glass absorbs the visible light wave and reemits its energy as visible light. It absorbs the ultraviolet and infrared waves,
then converts the energy into heat. The temperature of the glass increases due to the absorption.
The glass does not absorb the energy of any of the waves. The ultraviolet, infrared, and visible waves are transmitted
through the glass. The temperature of the glass does not change.
The glass transmits the visible light wave. It also absorbs the ultraviolet and infrared light waves and reemits these waves as
visible light waves. The temperature of the glass does not change.
The glass absorbs ultraviolet, infrared, and visible waves and converted all their energy into heat. The temperature of the
glass increases due to the absorption. None of the light waves were reflected or refracted.
Answer:
The glass absorbs the visible light wave and reemits its energy as visible light. It absorbs the ultraviolet and infrared waves, then converts the energy into heat. The temperature of the glass increases due to the absorption.
Explanation:
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Cochlea is a part of
(a) hearing organ
(b) sound producing organ
(c) muscular organ
(d) air pollution
Answer:
hearing organ
Explanation:
Cochlea is. found inside the inner ear.It is hollow and spiral shaped bone .A diagram attached
Answer:
(a) hearing organ
Explanation:
cochlea is a part of hearing organ which detect vibration or hearing
Which statement best describes a scientific law?
How are enzymes different from other catalysts? *
A enzymes are catalysts specifically for reactions involving organic molecules
B enzymes increase the activation energy for a reaction while catalysts lower it
C enzymes are used for DNA while catalysts are used for RNA
D enzymes follow the lock-and-key model while catalysts follow the insert-card-here model
Answer:B
Explanation:The main difference between catalyst and enzyme is that catalyst is a substance that increases the rate of a chemical reaction whereas enzyme is a globular protein that can increase the rate of biochemical reactions. The inorganic catalysts include mineral ions or small molecules
pls, I need help with this
Answer:
C
Explanation:
Cells shrink when loses water.
When the level of carbon dioxide in the blood is too high, the excess carbon dioxide reacts with water and produces carbonic acid. the carbonic acid causes the blood ph to become more acidic. when the blood ph becomes too acidic, chemoreceptors in the brain instruct the body to react and maintain homeostasis in blood ph. which of these responses by the body would eliminate the excess carbon dioxide and help maintain homeostasis in blood ph?
Answer: Breathing more deeply and frequently
The carbonic acid causes the blood ph to become more acidic. when the blood ph becomes too acidic, chemoreceptors in the brain instruct the body to react and maintain homeostasis in blood ph.
What stops functioning of the enzymes?At a pH too far from 7.4, enzymes in the blood will stop functioning properly. The pH of blood is regulated 7.35 and 7.45. pH shows acid-base balance in the body and maintains a healthy balance of acidity and alkalinity.
Balance of acid-base provides optimum condition to enzymes to perform proper function. As, enzymes required optimum pH range for functioning properly, pH too far from 7.4 can denature the enzymes. Enzymes will lose its shape and will not function properly at high pH.
When the level of carbon dioxide in the blood is too high, the excess carbon dioxide reacts with water and produces carbonic acid. the carbonic acid causes the blood ph to become more acidic. when the blood ph becomes too acidic, chemoreceptors in the brain instruct the body to react and maintain homeostasis in blood ph.
Therefore, The carbonic acid causes the blood ph to become more acidic. when the blood ph becomes too acidic, chemoreceptors in the brain instruct the body to react and maintain homeostasis in blood ph.
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Recognize the pattern of features that reveal the history of a species
Answer:
◊Identify evidence Darwin used to present his case for evolution.10-3• Compare artificial selection to natural selection.Artificial: humans change a species by breeding it forcertain traitsNatural: mechanism by which individuals that haveinherited beneficial adaptions produce more offspringon average than do other individuals.
Explanation:
How can mutations help a population adjust to a changing environment?
humans have 46 chromosomes. guinea pigs have 64 chromosomes. kiwis have 174 chromosomes. bananas have 33 chromosomes. strawberries has 16 chromosomes. what connection exists between the numbers of chromosomes and the complexity of an organism? explain your thinking
Answer:
There is no correlation/connection between number of chromosomes and complexity of an organism.
Explanation:
If the number of chromosomes determined the complexity of an organism, we could say that the kiwi in this problem is more complex than the human, however, this is not true. A chromosome is like a container for the genetic material (genes) of an organism, it doesn't matter how many containers there are, but rather what's inside the containers that determine genotype and phenotype.
Answer:
Not much.
Explanation:
Considering the fact that banannas have like half of the chromosomes that a living animal has, and the fact that an animal somehow has more chromosomes than a human, leads me to believe there is little to no correlation with the amount of chromosomes someone has and their complexity.
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Which of the following best describes homeostasis? the state of maintaining a stable internal environment despite changing external conditions the state of maintaining a stable internal environment due to electrical impulses the state of maintaining a stable internal environment due to chemical signals the state of maintaining a stable internal environment when the external conditions are constant
Answer:
the state of maintaining a stable internal environment despite changing external conditions
Explanation:
homeostasis is all about regulating, whether it be regulating body temperature through shivering, regulating body water levels, etc..
The best description of homeostasis is "the state of maintaining a stable internal environment despite changing external conditions." Homeostasis is a vital physiological process that helps to maintain the internal environment of an organism.
What is homeostasis?To achieve homeostasis, the body uses various physiological and biochemical mechanisms to monitor and respond to changes in the external environment. For example, if the external temperature becomes too high, the body will respond by sweating to cool down and maintain a stable internal temperature. Similarly, if the blood pH becomes too acidic, the body will respond by increasing the excretion of hydrogen ions to restore a more neutral pH.
Hence, the best description of homeostasis is "the state of maintaining a stable internal environment despite changing external conditions."
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What is the function of the tube cell?
Answer:
The tube which conveys the male gametes of seed-bearing plants to the ovule.
Explanation:
The cell in the pollen grain that develops into the pollen tube.
At night, clouds act as a blanket by _____. A. reflecting incoming radiation B. reflecting outgoing radiation C. absorbing outgoing radiation D. absorbing incoming radiation
Answer:
C. or absorbing outgoing radiation
At night, clouds act as a blanket by absorbing outgoing radiation
Should college be free
Answer: I think it should be.
Explanation: People who don't have money or poor people will not be able to afford it.
Currently, most organs that are harvested for transplant are transported from the donor to the recipient packed in ice and must be implanted within a matter of hours. How is organ culture an improvement on this transport method? Organs that are packed in ice can be damaged by frostbite during transit. Cultured organs can be kept alive for several weeks before transplant. Extra culture medium is easier and cheaper to transport than extra ice. Organ cultures can be shipped as cargo rather than hand delivered.
The organ culture is an improvement on this transport method as cultured organs can be kept alive for several weeks before transplant.
What do you mean by an Organ transplant?It is a method to place a specific organ that is taken from the body of another individual. The doctors remove an organ from another person and place it in your body.
Every organ can not behave in the same way on the outside of the body, so they are kept in cultured solution to function properly and kept alive. Putting the organs in a cultured solution reduces the chances of organ rejection.
Therefore, the organ culture is an improvement on this transport method as cultured organs can be kept alive for several weeks before transplant.
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Maintaining homeostasis involves many processes. One of these includes the excretion of waste. Our kidneys work very hard to filter blood of waste products and control how much water is kept in the body. The waste products and water make up urine. A dehydrated individual would have a concentrated urine that's a darker yellow in color than that of a healthy urine. Why is that?
Answer:
Please find the explanation below
Explanation:
As rightly said in this question, the kidney is the major excretory organ in our (human) system, which also helps maintain homeostatic balance between water and waste products. According to the question, the kidneys function to filter blood of waste products and control how much water is kept in the body.
Since urine is a mixture of the removed waste and water, a concentrated urine with a dark yellow color than normal indicates that the involved individual is DEHYDRATED i.e. low in water content of the body and hence needs water.
The urine of this dehydrated individual is this DARK YELLOWISH COLOUR because the kidney RETAINS THE SMALL AMOUNT OF WATER PRESENT IN THAT INDIVIDUALS BODY which ought to make the person's urine diluted, hence, the urine contains more of waste products (urea) and less of water, making it appear darker yellow than that of a healthy individual.
What is placed between the gene name and the numerical identifier for the allele to differentiate between the gene nomenclature and HLA serologic reactivity
Answer:
HLA-A is a group of human leukocyte antigens (HLA) that are encoded by the HLA-A locus, which is located at human chromosome 6p21. 3. HLA is a major histocompatibility complex (MHC) antigen-specific to humans.
Which action may increase the flask’s carrying capacity for rotifers?
A. decrease the number of microorganisms
b. introduce water fleas
c. decrease the size of the flask
d increase the number of microorganisms
The action that may increase the flask's carrying capacity for rotifers would be to decrease the number of microorganisms in the flask.
Carrying capacityThe carrying capacity of an environment refers to the maximum number of organisms of a particular species that the environment can support based on the resources it has.
Rotifers and microbes growing in the flask mean that both species would have to compete for the resources present in the flask. This competition will limit the reproductive capacity of each species.
As the population of the species decreases, the growth of the other is favored due to less competition.
With rotifers growing alone in the flask, there would be less competition for resources and more population growth.
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Answer:
increase the number of microorganisms
Explanation:
i just took the test
Complete the following statements. Ions are necessary to activate the binding sites on the actin filaments. The molecule is required each time the myosin head detaches from one site and reattaches to another.
Calcium ions are necessary to activate the binding sites on the actin filaments. The ATP molecule is required each time the myosin head detaches from one side and re-attaches to another.
What do you mean by actin filaments?It is microfilaments that are responsible for cell shape and cellular movements.
The calcium ions are released when there is depolarization of the sarcomere occurs. They then bind to troponin and restructure the complex that is exposing the binding sites to the myosin head.
The cellular importance of the motor proteins is ATP-dependent which forces the impulse to actin filaments, and then the myosin head detaches from the old binding sites of actin.
Therefore, Calcium ions are necessary to activate the binding sites on the actin filaments. The ATP molecule is required each time the myosin head detaches from one side and re-attaches to another.
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what is the difference between nucleus and vacuole
Answer:
In cytology|lang=en terms the difference between vacuole and nucleus. is that vacuole is (cytology) a large membrane-bound vesicle in a cell's cytoplasm while nucleus is (cytology) a large organelle found in cells which contains genetic material.
Answer: A nucleus directs activity in a cell whereas the vacuole stores food and wastes in a cell.
I’m not sure what to put and I been on this question for a minute?!!
Answer:
For the growth of cells and tissues, and to well, produce more cells.
Explanation:
Cells are important for all organisms, from humans to singlecelled organisms. Cells do “die” and new cells are needed to carry out bodily functions.
Describe the anatomy and physiology of the endocrine, excretory, and nervous systems and explain how these systems interact to maintain homeostasis
Answer:
the structure and function of the body
When your ad appeals to the fears of a consumer, which advertising technique are you using?
Living organisms evolved in a world where they were constrained by the laws of physics and chemistry. Describe the two laws of thermodynamics and explain how each law impacts the structure of an ecosystem's food chain as energy flows from one trophic (feeding) level to the next
Answer:
The laws of thermodynamics are important unifying principles of biology. These principles govern the chemical processes (metabolism) in all biological organisms. The First Law of Thermodynamics, also known as the law of conservation of energy, states that energy can neither be created nor destroyed. It may change from one form to another, but the energy in a closed system remains constant.
Hydrogen bonds can form between regionsof polar molecules that are. . .
Explanation:
polar molecules give up electrons to hydrogen atoms. polar molecules contain partially charged regions that attract other polar molecules...
Which energy transformation does the picture best illustrate? radiant to chemical nuclear to mechanical chemical to thermal mechanical to chemical.
Answer: A
Explanation: I'm doing the test RN
The buoyant force in Newtons at a point on the sphere is?
Answer:
I calculate the buoyancy force as: Volume of the sphere = Volume of the water displaced (Vdisplaced) = (4/3)πr3. Weight of the displaced water = Buoyancy force (B) = Vdisplaced× density of water.
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