Explain why cells regulate the synthesis of enzymes

Here's Why:

Explanation:

In living cells there are hundreds of different enzymes working together in a coordinated manner, and since cells neither synthesize nor break down more material than is required for normal metabolism and growth, precise enzyme regulation is required for turning metabolic reactions on and off.

C)

The substrate (A) will no longer fit into the active site (C) because the enzyme has changed shape.

Explanation: