MCAT Biochemistry Question 133: Answer and Explanation
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Question: 133
13. After an overnight fast, which of the following processes would be expected to occur at an elevated rate compared with the well-fed state?
- A. Glycolysis
- B. Glycogenolysis
- C. Glycogenesis
- D. Glycerol synthesis
Correct Answer: B
Explanation:
After a fast, the liver must contribute glucose into the bloodstream through two main processes: glycogenolysis (early to intermediate fasting) and gluconeogenesis (intermediate to late fasting). The other processes would continue at normal basal levels or have decreased activity after a fast.