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3. Glycolysis and the TCA cycle are regulated by small molecules and the energy state of the cell. (4 points) a) Give one example of an enzyme from

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3. Glycolysis and the TCA cycle are regulated by small molecules and the energy
state of the cell. (4 points) a) Give one example of an enzyme from each pathway that is regulated by ATP and
identify whether the enzyme is inhibited or activated (circle one). Glycolysis enzyme: IN HIBITED or ACTIVATED TCA cycle enzyme: INHIBITED or ACTIVATED
b) Why is ATP a shared regulator of both of these pathways? c) Several TCA cycle intermediates regulate glycolytic enzymes. Name a glycolytic
enzyme and the TCA intermediate that regulates its activity. Why would this type of
regulation benefit the cell?

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