Answer:
Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.
Explanation:
hope this helps
_________________ land is fertile and capable of growing crops
all living organisms can produce ATP in an anaeorbic manner by
Answer:
Explanation:
ATP contains less energy and is used to power cell processes. The flow of energy through living things begins with photosynthesis, which creates glucose. In a process called cellular respiration, organisms' cells break down glucose and make the ATP they need.
Padma is having a baby. Which best describes how her body will keep her in homeostasis?
O A positive feedback mechanism increases the release of oxytocin to promote further contractions.
O A negative feedback mechanism increases the release of oxytoxin to promote further contractions.
O A positive feedback mechanism decreases the release of oxytoxin to promote further contractions.
O A negative feedback mechanism decreases the release of oxytoxin to promote further contractions.
Answer:
positive feedback mechanism increased the release of oxytocin to promote further contractions
Explanation:
Padma is having a baby. The best description of how her body will keep her in the homeostasis is a positive feedback mechanism increases the release of oxytocin to promote further contractions. Thus, the correct option is A.
What is the effect of oxytocin?Oxytocin is a natural hormone which manages the key aspects of the female and male reproductive systems in humans, including the labor, delivery, and lactation in females, as well as other aspects of the human behavior.
Oxytocin can induce the anti-stress-like effects such as reduction of the blood pressure and cortisol levels in humans. Oxytocin increases pain thresholds, exerts an anxiolytic-like effect and also stimulates various types of positive social interactions in individuals. In addition, it is also responsible for promoting growth and healing process.
Therefore, the correct option is A.
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explain the difference between type 1 and type 2 diabetes.
Answer:
People with type 1 diabetes don't produce insulin. You can think of it as not having a key. People with type 2 diabetes don't respond to insulin as well as they should and later in the disease often don't make enough insulin.
Explanation:
Answer:
People are born with type 1 diabetes. Type 2 diabetes is acquired.
What do you know about storms?
Answer:i know they cause damage but not all the time it depends on how bad they are.
Explanation:
any disturbed state of a body especially affecting its surface, and strongly implying a wind force
A student wonders whether removing the nucleus from a cell would result in a new prokaryotic cell. Why would this procedure fail to produce a prokaryotic cell?
The cell would lack genetic information.
The cell would lack the structure that is needed to produce energy.
The cell would lack the structure that is needed to protect the cell’s organelles.
The cell would lack control over materials that move into and out of the cell.
Answer: The cell would lack genetic information
Explanation:
I took the test
Answer:
A. The cell would lack genetic information.
Explanation:
water is made from two atoms bonded together with one oxygen atom. this is an example of...
an element
a molecule
an atom
a noble gas
Answer:
an atom or molecule.
Explanation:
water can be called a molecule or a compund because it is made of hydrogen and oxygen atoms.
A new golf course is built next to a river. Over the past several months, the nitrate levels of the water in the river have been increasing. Which best explains the cause of the increasing nitrate levels?Immersive Reader (1 Point) increased growth of algae decreased biodiversity runoff from fertilizer
Answer:
The answer is "runoff from fertilizer".
Explanation:
The fertilizer is any natural or synthetic material, which is applied with soil or tissue of plant species and provides one or more plant foods, which are necessary for plant growth.
Due to the high durability and excessive irrigation use, nitrate fertilizers, which provide high solubility, as well as the nitrate ion throughout the finishes the product and readily drained away, that's why the given choice is correct.
The commonest source by which nitrates find its way into different water bodies is through runoff from fertilizer applied to different farmlands.
Nitrates represent a very important class of plant nutrients which are highly essential for plant growth. Usually, nitrates enter into water bodies via different sources.
The commonest source by which nitrates find its way into different water bodies is through runoff from fertilizer applied to different farmlands.
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!!HELP!! more than half of the human body weight percentage is water, and maintaining the correct balance of water is an example of
Answer:
When the body has excess water, thirst is suppressed. An interaction between the pituitary gland and the kidneys provides another mechanism. When the body is low in water, the pituitary gland secretes vasopressin (also called antidiuretic hormone) into the bloodstream.
Which element does not exist as a gas in the atmosphere?*
carbon
hydrogen
nitrogen
oxygen
phosphorus
Answer:
Carbon does not exist as a gas in the atmosphere. I hope this is the answer
What sequence below is the correct order (direction) bases will be added to the DNA strand below? *
Captionless Image
TAG-GTC
CTG-GAT
GCT-TGC
TAT-CAT
Answer: TAG-GTC
Explanation: C always bonds to G. A way to remember is Cars go in the Garage. A always bonds to T in a DNA strand. A way to remember is Apples grow on trees.
Ptolemy's model was very similar to Aristotle's with the addition of ______ motion.
Answer:
kinetic
Explanation:
it is moving
What kind of mutation is demonstrated below:
ATGCCATGGCATTGA --> ATGCCATGCATTGA
Answer:
Deletion
Explanation:
ATGCCATGGCATTGA
-->
ATGCCATGCATTGA
Comparing the two sequences, you can see that one G nucleotide is missing in the new sequence compared to the original.
This is a single nucleotide deletion, where one nucleotide is lost from the sequence. Otherwise, the sequence is entirely unchanged.
As a fertalized egg divides, the cells differentiate and become specialized because they?
A) have specialized genes activated
B) contain cancer cells
C) contain extra lipids
D) metabolize carbohydrates
Answer:
Have specific genes activated
Explanation:
I just took the test 100 percent, you can trust me.
Insects have three body parts in six legs true or false
True, all INSECTS have this.
What is the function of tRNA?
catalyze the assembly of amino acids into a protein
carry genetic instructions for building a protein
bring an amino acid to the ribosome
Answer:
C bring an amino acid to the ribosome
Explanation:
i took the test
Transfer RNA acts as a link (also called an adaptor) between the messenger RNA (mRNA) molecule and the growing chain of amino acids that comprise a protein. Therefore, option (C) is correct.
What is the function of tRNA?Transfer RNA is an adapter molecule that is made of RNA and normally ranges in length from 76 to 90 nucleotides. Its primary function is to act as the physical link between the amino acid sequence of proteins and the mRNA that encodes them. Transfer RNA achieves this goal by transporting an amino acid to the ribosome, which is the component of a cell that is responsible for the synthesis of proteins.
The tRNA molecule is characterized by its characteristic folded structure, which consists of three hairpin loops that are arranged in the manner of a clover with three leaves. A sequence known as the anticodon is contained within one of these hairpin loops. This anticodon has the ability to detect and decode mRNA codons. Each transfer RNA (tRNA) has the amino acid that corresponds to it connected to the very end of it.
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What is the relationship between water and enzymes in photosynthesis?
The phospholipid bilayer describes a structure with:
оа
ob
ос
od
Polar heads on the outside and non-polar tails on the inside.
Non-polar tails on the outside and polar heads on the inside.
Polar layers on both the inside and outside.
Non-polar layers on both the inside and outside.
Answer:
Polar heads on the outside and non-polar tails on the inside.
In A Quiz Competition, You Are Asked A Question Where You Have To Choose The Statement Which Is/ Are Incorrect? (1 Point) [A]. Squamous epithelium is made up of thin, flat, irregular shaped cells which fit together like floor tiles to form a compact tissue. [B]. The cuboidal epithelium is found in kidney tubules, thyroid vesicles and in glands. [C]. The main function of columnar epithelium includes absorption and secretion. [D]. None of the above
Answer:
[D]. None of the above
Explanation:
Epithelium are one of the type of four tissues found in living systems. They possess a variety of functions and are found to line/cover the surfaces of most organs. Epithelial tissues are classified based on the number of cell layers (simple and stratified) and shape (squamous, columnar, and cuboidal).
Based on their shape;
- Squamous epithelium are made up of scale-like flat cells that line the surfaces of alveoli of the lungs etc. They are of thin, flat, irregular shaped cells which fit together like floor tiles to form a compact tissue as stated in this question.
- Cuboidal epithelium contains cells whose shape are similar to that of a cuboid i.e. close width and height. They are located in the kidney tubules, thyroid vesicles and in glands like pancreas.
- Columnar epithelium are relatively thin and elongated in shape, hence, they are found in organs and surfaces whose function mainly is absorption and secretion.
Hence, NONE of the mentioned statements are UNTRUE
Jill's class is studying how rocks are formed. Jill's teacher showed them a picture of a type of rock. Then Jill's teacher made a peanut butter and jelly sandwich and explained that one type of rock is formed when layers of sediment are squeezed and cemented together. After the rock is formed, you can still see the layers in the rock. What type of rock was Jill's teacher trying to help them remember by making a peanut butter and jelly sandwich? *
bedrock
igneous rock
metamorphic rock
sedimentary rock
Answer:
sedimentary rock
Explanation:
a sedimentary rock is a layered rock that is formed from compaction, celebration, and recrystallization of sediments.
Answer:sedimentary rock
Explanation:
Throughout the reflection, make sure you have a copy of the Student Guide and your data tables. Use the drop-
down menus to complete the statements,
were intentionally manipulated,
In this experiment,
These were the independent variables.
The dependent variable measured was
Answer:
Explanation:
Temperature and surface area and time of reaction
Answer:
Mass and type of material
type of material
temperature
Explanation:
This is for: Lab: Thermal Energy Transfer
Assignment: Reflect on the Lab
Throughout the reflection, make sure you have a copy of the Student Guide and your data tables. Use the drop-down menus to complete the statements.
The independent variables in Part I, the ones intentionally manipulated, are the
✔ mass and type of material
.
The independent variable in Part II, the one that is intentionally manipulated, is the
✔ type of material
.
The dependent variable for both Parts I and II, the one that you measure the response in, is the
✔ temperature
I need help plz it’s due in a hour !!!
Answer:
1) CHO
2) YES
3) Monosaccharrides
4) Cellulose, and starch (potatoes)
5) "Quick Energy"
Explanation:
We learned this in biology at the beginning of the year.
Answer:
Carbohydrates (carbo- = “carbon”; hydrate = “water”) contain the elements carbon, hydrogen, and oxygen, and only those elements with a few exceptions. The ratio of carbon to hydrogen to oxygen in carbohydrate molecules is 1:2:1
yes carbo hydrates is organic
Explanation:
* I DON'T REALLY KNOW FOR THE REST 3 BOX
AND I CAN'T REALLY SEE THE SECOND ONE
In humans, which cell is produced most directly by mitotic cell division?
Answer:
When a cell divides by way of mitosis, it produces two clones of itself, each with the same number of chromosomes. When a cell divides by way of meiosis, it produces four cells, called gametes. Gametes are more commonly called sperm in males and eggs in females.
Explanation:
emilythompson35464
hope this helps srry if it doesn't tho
In humans, Mitosis organic process produced the cells named daughter cells.
In mitosis, nuclear division in eukaryotic cells occurs when a parent cell divides to provide two identical daughter cells.
There are two ways cellular division can happen in humans-
When a cell divides by way of mitosis, it produces two clones of itself, each with an identical number of chromosomes.
When a cell divides by way of meiosis, it produces four cells, called gametes.
What cells do mitosis the most?
Mitosis occurs whenever more cells are needed. It happens throughout the whole lifespan of a living organism (human, animal, or plant) but most rapidly in periods of growth. This means, in humans, the fastest rate of mitosis happens within the zygote, embryo, and infant stages.
Therefore, mitosis cell division produced daughter cells in humans.
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Eyeglasses would rest upon which skull bone?
Answer:
axial skeleton
Explanation:
What did Gould and Eldridge infer about the pace and timing of evolutionary change? (5 points)
a
Evolutionary change occurred gradually and constantly throughout time.
b
The pace of evolutionary change has slowed down over time and it only rarely occurs now.
c
Periods during which evolution occurred were always preceded by a catastrophe.
d
Long periods of stability were punctuated with periods of evolutionary change.
Answer:
d. Long periods of stability were punctuated with periods of evolutionary change.
Explanation:
Gould and Eldridge inferred that evolution occurred because of the sudden existence of new factors that force a certain type of species to adapt to the new situation. (Things such as sudden change in the environment, sudden change of the species' genetic composition that passed over during natural selection ,etc)
They believe this is why periods of evolutionary change happened in considerably shorter period of time right in the middle of periods of stability.
The answer is D.
Explanation:
Long periods of stability were punctuated with periods of evolutionary change.
how can culture be a barrier to communication
Answer:
I would have to say that because certain cultures do things that some people don't. The people who don't understand it might not understand the meanings to the culture they have.
Viruses are surrounded by a coat made out of *
1. nucleic acids
2. proteins
3. phospholipids
4. carbohydrates
Answer:
Proteins
Explanation:
viruses are surrounded by a protective coat of protein called a capsid.
What do you think of dystopian societies?
Answer:
I am assuming you want my personal opinion.
theyre quite terrifying to think about. Like the fall of humanity is scary. to think the offspring i have created or the people i have known have gone from decent people to incredibly corrupt. In "1984" by george orwell, the dystopian society he has created horrfies me. The idea that even your thoughts are monitered disrupts your self expression and how you interact with the world. To live in a world where you cannot do anything but basic busy work seems tactful. I bvelieve people should be happy and never fear a hugher authority or a "system". Dystopian societies are exciting to read about but to really think deeply and complexly about them is horrifying.
Why can’t two pyrimidines be paired with one anothr ?
Answer:
There are two reasons for this. The first reason is that the distance between the two strands of DNA is constant. Two purines together would be too big to fit in that distance, and two pyrimidines together would be too small. The second reason is that the bonding between purines and pyrimidines is very specific.
credits to google
Explanation:
DNA: TAC-GGC-ATA-GCA-TTT-CAC-TAA
What is the corresponding RNA sequence for the DNA strand above?
Answer:
Changing G to C
C to G
A to U
and T to A, the answer will be C