Sociology is the study of society
What are the options they gave you?
Immune system that is the answer to you question I think
<h2>Clonal Selection to a Phosphorylation Cascade </h2>
Clonal selection describes the roles of compartments of the privileged operation in reply to specific antigens attacking the basis in immunology. A phosphorylation cascade is a series of situations wherever one catalyst phosphorylates is different. It makes a succession reactions driving the phosphorylation of thousands of proteins. This can be observed in omen transduction of hormone communications.
Answer:
B. Second
Explanation:
In the second trimester the bony parts of the skeleton begin to form
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