Use the following graph that shows "the effect of ATP on the allosteric enzyme PFK-1" for questions 32-35. 100 80 High (ADP] Low (ADP] 60 40 [ATP] The graph shows that, for a given concentration of fructose 6-phosphate, the PFK-1 activity increases with increasing concentrations of ATP, but a point is reached beyond which increasing the concentration of ATP inhibits the enzyme. In what ways is glycolysis regulated by AMP levels? AMP downregulates hexokinase AMP upregulates phosphoglucoisomerase AMP upregulates phosphofructokinase AMP downregulates pyruvate kinase PFK-1 activity (% of Vmar)

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QUESTION 32
Use the following graph that shows "the effect of ATP on the allosteric enzyme PFK-1" for questions 32-35.
100
80
High
[ADP]
60
Low
[ADP]
40
[ATP]
The graph shows that, for a given concentration of fructose 6-phosphate, the PFK-1 activity increases with increasing concentrations of ATP, but a point is reached beyond
which increasing the concentration of ATP inhibits the enzyme.
In what ways is glycolysis regulated by AMP levels?
AMP downregulates hexokinase
AMP upregulates phosphoglucoisomerase
AMP upregulates phosphofructokinase
AMP downregulates pyruvate kinase
PFK-1 activity (% of V
Transcribed Image Text:QUESTION 32 Use the following graph that shows "the effect of ATP on the allosteric enzyme PFK-1" for questions 32-35. 100 80 High [ADP] 60 Low [ADP] 40 [ATP] The graph shows that, for a given concentration of fructose 6-phosphate, the PFK-1 activity increases with increasing concentrations of ATP, but a point is reached beyond which increasing the concentration of ATP inhibits the enzyme. In what ways is glycolysis regulated by AMP levels? AMP downregulates hexokinase AMP upregulates phosphoglucoisomerase AMP upregulates phosphofructokinase AMP downregulates pyruvate kinase PFK-1 activity (% of V
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