Biology, 08.03.2021 20:00 danielleen731
Explain the biological relevance of each of the following observations concerning enzyme regulation.
a. When you need a burst of energy, the hormones epinephrine and glucagon are secreted into your bloodstream and circulated to your muscle cells, where they initiate a cascade of reactions that leads to the phosphorylation of the inactive b form of glycogen phosphorylase, thereby converting the enzyme into the active a form.
b. Even in the a form, glycogen phosphorylase is allosterically inhibited by a high concentration of glucose or ATP within a specific liver cell.
c. Your pancreas synthesizes and secretes the proteolytic enzyme carboxypeptidase in the form of an inactive precursor called procarboxypeptidase, which is activated as a result of proteolytic cleavage by the enzyme trypsin in the duodenum of your small intestine.
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Explain the biological relevance of each of the following observations concerning enzyme regulation....
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