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Unc Bioc Exam 4 2025 Questions And Answers

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Why do we need to regulate enzymes? - ANS -living organisms need to be able to respond to changes in their environment. -(clotting after a cut. enzymes change fibrinogen into fibrin) -It is ineffective to synthesize new enzymes for increased activity/destroy enzymes to decrease activity -more effective to modulate the activity of preexisting enzyme molecules (activating them when activity is needed, turning off when decreased activity needed) Regulation at the "gene expression" leve...

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Brainbarter

UNC BIOC Exam 4 2025/2026 Exam Questions and Correct Answers | New Update The enzyme responsible for digestion of most dietary starch is: -

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PROFFKERRYMARTIN

The enzyme responsible for digestion of most dietary starch is: - ANS pancreatic amylase When the acidic stomach contents move into the small intestine, the pancreas secretes bicarbonate ions (HCO3-) into the intestine. The addition of bicarbonate ions: - ANS decreases the [H+] and increases the pH Absorption of glucose from the intestinal lumen into the hepatic portal blood involves: - ANS -an ATP-requiring Na+/K+ ion pump that keeps intracellular Na+ levels very low - simultaneous moveme...

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Brainbarter

UNC BIOC Exam 4 Questions and Answers Solved Correctly The enzyme responsible for digestion of most dietary starch is: - Answers pancreatic amylase When the acidic stomach contents move into the small intestine, the pancreas secretes bicarbonate ions (HCO3-) into the intestine. The addition of bicarbonate ions: - Answers decreases the [H+] and increases the pH Absorption of glucose from the intestinal lumen into the hepatic portal blood involves: - Answers -an ATP-requiring Na+/K+ ion pump t...

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