Molecules that cannot cross the membrane bind to receptors in the membrane. When the signal binds to a receptor changes it's shape. Other Molecules inside the cell respond to the chainging shape of the receptor.
Answer:
The correct answer is - reflexive actions controlled by the spinal cord.
Explanation:
Digestion and breathing are examples of involuntary action which is controlled by the autonomic nervous system of the CNS. however, the part of the nervous system that controls is the spinal cord and hind brain by the spinal reflex actions.
These are the action they do not require any thought and work without any thought that leaves the brain for other actions and coordinations. specific but the same stimuli causes the response in the same way.
If I'm correct, ill say the correct answer is
<span>A) glycine, isoleucine, alanine
Correct me if I'm wrong.
</span>
Natural Selection
The theory of natural selection illustrates that dominant traits are preserved over time through phenotypes (the result of environmentally influenced by genotype).
Completion is the force of natural selection where the strongest organisms, competing for the same food or niche, win, resulting in the weaker organism becoming extinct or changing food dependence or niche to survive.
Answer:
<h3>in all plants roots act like straws to absorb salts and mineral salts from the
soil<em> </em><em>and</em><em> </em><em>this</em><em> </em><em>is</em><em> </em><em>why</em><em> </em><em>they</em><em><u> </u></em><em><u>work</u></em><em><u> </u></em><em><u>like</u></em><em><u> </u></em><em><u>one</u></em><em><u> </u></em><em><u>way</u></em><em><u> </u></em><em><u>straws</u></em></h3>