During digestion, hydrochloric acid (HCl) lowers the stomach's pH and this causes the enzyme pepsinogen to be converted to its active form, called pepsin. Pepsin is a proteolytic enzyme, which means it cleaves (breaks) peptide bonds assocciated with food particles. The enzyme pepsin can also cleave pepsinogen into pepsin, and this causes the rate at which pepsinogen is converted to pepsin to increase. This is an example of:.
A) A negative feedback loop
B) A positive feedback loop
C) The importance of keeping your stomach pH high during digestion
D) The importance of hormones in activating pepsin
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During digestion, hydrochloric acid (HCl) lowers the stomach's pH and this causes the enzyme pepsino...
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