Which of the following is not a part of an en | vedclass

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(A) Many enzymes require non-protein components for their activity. These are called cofactors. Cofactors can be prosthetic groups,co-enzymes,or metal

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$K^+$

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(A) Many enzymes require non-protein components for their activity. These are called cofactors. Cofactors can be prosthetic groups,co-enzymes,or metal ions. Metal ions form coordination bonds with side chains at the active site and at the same time form one or more coordination bonds with the substrate. $K^+$ (potassium ion) is a well-known metal ion cofactor that activates several enzymes,such as pyruvate kinase,which is involved in glycolysis. Therefore,$K^+$ is not a part of the enzyme structure itself but is essential for its catalytic activity.

Which of the following is not a part of an enzyme but activates the enzyme?

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