Using the information in the following graphs that show activity of phosphofructokinase (PFK) with different concentration of fructose-2,6-bisphosphate (F26BP), which of the following is true?
Using the information in the following graphs that show activity of phosphofructokinase (PFK) with different concentration of fructose-2,6-bisphosphate (F26BP), which of the following is true?
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
Section: Chapter Questions
Problem 1P
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Q2
![Using the information in the following graphs that show activity of phosphofructokinase (PFK) with
different concentration of fructose-2,6-bisphosphate (F26BP), which of the following is true?
0 L 1 μM F-2,6-BP
1 μM F-2,6-BP
80 0.1 μM
0.1 μM
0
ZE
4
5
0
1
100
Relative velocity
60
40
20
1 2 3
[Fructose 6-phosphate] (mm)
0
2
[ATP] (MM)
O ATP is an allosteric activator of PFK, F26BP is an allosteric inhibitor
ATP is an allosteric activator of PFK, F26BP is an allosteric activator
O ATP is an allosteric inhibitor of PFK, F26BP is an allosteric inhibitor
O ATP is an allosteric inhibitor of PFK, F26BP is an allosteric activator
4
5](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2b8d26a8-87eb-4d55-9239-418c1bd04690%2Fde2b358e-310c-4a0f-bc7f-ec5229ef31fb%2Furljzxpv_processed.png&w=3840&q=75)
Transcribed Image Text:Using the information in the following graphs that show activity of phosphofructokinase (PFK) with
different concentration of fructose-2,6-bisphosphate (F26BP), which of the following is true?
0 L 1 μM F-2,6-BP
1 μM F-2,6-BP
80 0.1 μM
0.1 μM
0
ZE
4
5
0
1
100
Relative velocity
60
40
20
1 2 3
[Fructose 6-phosphate] (mm)
0
2
[ATP] (MM)
O ATP is an allosteric activator of PFK, F26BP is an allosteric inhibitor
ATP is an allosteric activator of PFK, F26BP is an allosteric activator
O ATP is an allosteric inhibitor of PFK, F26BP is an allosteric inhibitor
O ATP is an allosteric inhibitor of PFK, F26BP is an allosteric activator
4
5
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