7Q 3.2 Protein Function Protein kinases phosphorylate target enzymes and as a re

Question

7Q 3.2 Protein Function Protein kinases phosphorylate target enzymes and as a result enzymes become activated or inactivated. Which of the following statement is NOT TRUE? phosphorylated enzymes may behave like competitive inhibitors. ORthe presence of a phosphate group may act as a non-competitive inhibitor/activator. No change in Km but significant change in Vmax the presence of a phosphate group may induce a conformational change that modifies the affinity and catalytic ability of a target enzyme. O D the presence of a phosphate group tags the enzyme allowing interactions with other enzymes Answered-Sorry, that is not correct 1l attempt left Retry

Explanation / Answer

Answer:

C. The presence of a phosphate group may induce a conformational change that modifies the affinity and catalytic ability of a target enzyme.

Explanation: Addition of a phosphate group could confer a small negative charge on the enzyme, that can change the conformation altering the catalytic ability of the enzymes,

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