BIOLOGY HIGH SCHOOL

which part of the central nervous system is used to used to serve as the main communication link between the body and the brain? A. Cerebellum B. Spinal cord C. Brain stem D. Cerebrum

Answers

Answer 1
Answer: It is the spinal cord. Signals reach teh spinal cord, and then are transferred to the brain.
Answer 2
Answer:

It's diffidently Spinal cord, so your correct answer is B

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What stage of cellular respiration produces pyruvate as a product? Glycolysis
Electron transport chain
Krebs cycle
Fermentation

Answers

glycolysis :) I hope this helped

Final answer:

Pyruvate is produced in the glycolysis stage of cellular respiration, where a glucose molecule is split into two pyruvate molecules. This process occurs in the cell's cytoplasm.

Explanation:

The stage of cellular respiration that produces pyruvate as a product is glycolysis. Cellular respiration is a series of metabolic processes by which living cells produce energy through the oxidation of organic substances. The glycolysis pathway is a 10-step biochemical pathway where a glucose molecule is split into two pyruvate molecules. This process occurs in the cell's cytoplasm. Electron transport chain, Krebs cycle and fermentation are all stages of cellular respiration, but they do not produce pyruvate.

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Which of the following is not true of saliva?A. cleanses the mouth
B. contains enzymes that begin the breakdown of proteins
C. moistens food and aids in compacting of the bolus
D. dissolves food chemicals so they can be tasted

Answers

The answer is B. contains enzymes that begin the breakdown of proteins.

Saliva is watery substance secreted by salivatory glands. It cleanses the mouth and maintenance oral hygiene. It moistens the food, so the created food bolus could easier pass into the esophagus. It also carries food chemicals to taste receptors so they can be tested. It contains enzymes involved in the food digestions. Some of them are amylase, which begins the breakdown of the starch, and lipase, which begins the breakdown of triglycerides. There are no enzymes in the saliva that break down proteins.

Final answer:

Saliva cleanses the mouth, moistens and compacts food, and dissolves food chemicals for taste.

Explanation:

Saliva is a clear liquid that is produced by the salivary glands in the mouth. It serves several important functions in the digestive process. It keeps the mouth clean by cleansing it and helps to remove food particles. Saliva moistens food and aids in the compacting of the food into a bolus, which can be easily swallowed. Additionally, saliva contains enzymes such as amylase that begin the breakdown of carbohydrates, not proteins. Lastly, saliva dissolves food chemicals so they can be tasted.

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he central vacuole in a plant cell is responsible for turgor pressure. When the vacuole loses water the cytoplasm "shrinks". When the vacuole gains water the cytoplasm seems to "puff up". One structure helps the plant cell keep its shape no matter how much water is in the vacuole. This is the

Answers

The answer is a cell wall.

The cell wall surrounds cell membrane of some cell types. It is present in plants and fungi, as well as prokaryotic cells and its role is structure and protection. Turgor pressure makes a pressure on plasma membrane against the cell wall. If there were no cell wall around the cell, when cytoplasm gains the water, the cytoplasm will swell until plasma membrane burst. But, cell wall is rigid structure that helps plant cell to keep its shape no matter how much water is in the vacuole.

Answer:

it is actually the cytoplasm

Explanation:

this boi right here is a lie

Do all cells take the same amount of time to divide?

Answers

no.some cells are larger than others therefore it will take a longer time for the cells to divide.
that would be yes cause thy are all the same cells unless in in different envirment

Which class do honey bees belong?

Answers

the bug one or the yellow and black one

Ron is observing an onion cell on a slide under a microscope. He sees chromatids being pulled to opposite ends of the cell. Which phase is he seeing?a-anaphase
b-telophase
c-prophase
d-interphase

Answers


The phase of mitosis where chromatids being pulled to opposite ends of the cell is called anaphase. Metaphase before includes chromosomes lining up single file at the middle of the cell. The telophase involves nuclear membrane forming around chromatin
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