Answer: The nervous system is the major controlling, regulatory, and communicating system in the body. It is the center of all mental activity including thought, learning, and memory. Together with the endocrine system, the nervous system is responsible for regulating and maintaining homeostasis.
Explanation:
I believe the bone system that red marrow belongs to is D. Skeletal system.
<span>The correct answer is "Sudden changes in the somatic cells of organisms play a key role in the process of adaptive evolution". Adaption in evolution is caused by sudden gene mutations that affect an organism's offspring and give it - potentially - a better chance of survival. For example, a giraffe who passed on a mutated gene for a slightly longer neck to its offspring gave its offspring a better chance of reaching untouched food, and thus a survival advantage.</span>
Answer:
down
Explanation:
because gravity come from the center of the earth the gravitational pull, pulls us down.
Cholesterol is one of the molecules composing the cell membrane. b) makes the cell membrane fluid at room temperature.
<h3>What is the role of cholesterol in the cell membrane?</h3>
The cell membrane is composed of two lipidic bilayers, cholesterol, proteins, and glucans incrusted in between.
Cholesterol is one type of lipid.
These molecules are incrusted in the membrane between the hydrophobic tails of lipids.
Their proportion on both sides of the membrane is almost the same.
Cholesterol is a significant molecule that contributes to the membrane fluidity, separates phospholipids, and interact with membrane proteins regulating in their activity.
The correct option is b). makes the cell membrane fluid at room temperature.
You can learn more about cholesterol at
brainly.com/question/2114495
brainly.com/question/4551833
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