You are intensely focused on studying biochemistry and, because you are enjoying yoursel So mue bisphosphate levels in your hepatocytes, and what is the effect?

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
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**Question 7**

You are intensely focused on studying biochemistry and, because you are enjoying yourself so much, you forget to eat lunch and dinner. What happens to the fructose 2,6-bisphosphate levels in your hepatocytes, and what is the effect?

- **A.** F2,6BP levels go down, leading to less activation of PFK-1 and reduced glycolysis, thus sparing glucose for the blood

- **B.** None of the other answers is correct

- **C.** F2,6BP levels go down because glycolysis is reduced, so PFK-1 produces less F2,6BP

- **D.** F2,6BP levels go up because glycolysis is increased, so PFK-1 produces more F2,6BP

- **E.** F2,6BP levels go up, leading to more activation of PFK-1 and increased glycolysis, thus using more glucose for fuel
Transcribed Image Text:**Question 7** You are intensely focused on studying biochemistry and, because you are enjoying yourself so much, you forget to eat lunch and dinner. What happens to the fructose 2,6-bisphosphate levels in your hepatocytes, and what is the effect? - **A.** F2,6BP levels go down, leading to less activation of PFK-1 and reduced glycolysis, thus sparing glucose for the blood - **B.** None of the other answers is correct - **C.** F2,6BP levels go down because glycolysis is reduced, so PFK-1 produces less F2,6BP - **D.** F2,6BP levels go up because glycolysis is increased, so PFK-1 produces more F2,6BP - **E.** F2,6BP levels go up, leading to more activation of PFK-1 and increased glycolysis, thus using more glucose for fuel
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