0.5 points Save Answer uestion 3 The enzyme phosphofructokinase-1 (PFK-1) cataly

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0.5 points Save Answer uestion 3 The enzyme phosphofructokinase-1 (PFK-1) catalyzes the 3rd reaction in glycolysis. ATP is a substrate for this reaction and therefore must bind in the active site in order for the enzyme to catalyze the reaction. However, when ATP concentrations get very high, ATP also binds to a separate site on PFK-1, inhibiting its activity, even if some ATP is bound to the active site. Inhibition of PFK-1 by ATP is an example of O Competitive inhibition O Allosteric activation O Allosteric inhibition O Covalent modification O Two of the above

Explanation / Answer

3)e)two of the above as it is an example ofboth competitive and allosteric inhibition.They both are involved.

4)a)The energy left is given out as heat .This is the extra energy.

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