A patient developed a bacterial overgrowth in his intestine that decreased the pH of the luminal contents from their normal pH of approximately 6.5 down to 5.5. This decrease of pH is likely to

Human Anatomy & Physiology (11th Edition)
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Chapter1: The Human Body: An Orientation
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A patient developed a bacterial overgrowth in his intestine that decreased the pH of the luminal contents from their normal pH of approximately 6.5
down to 5.5. This decrease of pH is likely to
(A) denature proteins reaching the intestine with their native structure intact.
(B) disrupt hydrogen bonding essential for maintenance of tertiary structure.
(C) inhibit intestinal enzymes dependent on histidine for acid-base catalysis.
(D) inhibit intestinal enzymes dependent on an active site lysine for binding substrate.
(E) have little effect on hydrolases.
Transcribed Image Text:A patient developed a bacterial overgrowth in his intestine that decreased the pH of the luminal contents from their normal pH of approximately 6.5 down to 5.5. This decrease of pH is likely to (A) denature proteins reaching the intestine with their native structure intact. (B) disrupt hydrogen bonding essential for maintenance of tertiary structure. (C) inhibit intestinal enzymes dependent on histidine for acid-base catalysis. (D) inhibit intestinal enzymes dependent on an active site lysine for binding substrate. (E) have little effect on hydrolases.
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