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Which compound is a reusable, complex protein that speeds up chemical reactions? A) starch B) a sugar C) a lipid D) an enzyme

Sagot :

The answer is (d) an enzyme.
Enzymes are biological catalysts, which means they decrease the amount of activation energy need to start a reaction, therefore speeding up the rate of the reaction. They are part of the protein macromolecule group. Without them, our body would not process things fast enough for us to live.

The Answer is D: An enzyme