What happens when pepsin enters the small intestine?
a. It activates HCl.
b. It is digested due to the high pH.
c. It cleaves proteins into smaller peptides and some free amino acids.
d. It inhibits pepsinogen synthesis.
e. It denatures protein structures.
Answer: B
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A. carbohydrates. B. fat. C. protein.
Your roommate Demetrius is participating in a weightlifting course and complains of a burning pain during workouts. You explain to Demetrius that the rapid breakdown of glucose in his muscles produces large amounts of pyruvate, which leads to a fall in pH within the muscle and that the muscle responds by converting excess pyruvate to
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