<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:
Mammals give live birth to their offspring. Reptiles and amphibians lay eggs. Mammals are also usually warm blooded while reptiles and amphibians are cold blooded. Most amphibians and reptiles abandon their young at a certain age while most mammals will take care of their offspring forever.
Explanation:
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Can you please post option too
Answer:
Birth is an example of a normally occurring positive-feedback mechanism.
Adenine and guanine
Thymine and cytosine