SSC
BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Speed up chemical reactions, protects against infections, and structural component of hair, skin, and muscles
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Carbohydrates
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Lipids
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Proteins
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Nucleic Acids
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Explanation:
Detailed explanation-1: -The answer is enzymes. Enzymes in our bodies are catalysts that speed up reactions by helping to lower the activation energy needed to start a reaction. Each enzyme molecule has a special place called the active site where another molecule, called the substrate, fits.
Detailed explanation-2: -Enzymes speed up reactions, often by a factor of a million or more, without themselves being changed-that is, they act as catalysts that permit cells to make or break covalent bonds in a controlled way.
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