Answer :
Final answer:
Enzymes are essential proteins that speed up biochemical reactions by lowering activation energy, enabling crucial processes in the body.
Explanation:
Enzymes are proteins that catalyze biochemical reactions in the body. They speed up chemical reactions by lowering activation energy, allowing essential processes like digestion and cellular metabolism to occur at a reasonable rate. Enzymes have specific active sites for substrates and are reusable catalysts that play a vital role in sustaining life.
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