Special catalytic molecules called___speed up chemical reactions in the human body.
(a) enzymes
(b) cytozymes
(c) cofactors
(d) activators
(e) cytochromes

검증된 단계별 안내

Understand that the question is asking for the name of special molecules that act as catalysts to speed up chemical reactions in the human body.

Recall that catalysts are substances that increase the rate of a chemical reaction without being consumed in the process.

Identify that in human biology, these catalytic molecules are typically proteins that lower the activation energy required for reactions.

Recognize that the term for these biological catalysts is 'enzymes', which are essential for various metabolic processes.

Confirm that among the given options, 'enzymes' (option a) correctly fits the description of special catalytic molecules speeding up chemical reactions.

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주요 개념

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Enzymes

Enzymes are biological catalysts that speed up chemical reactions in living organisms without being consumed. They lower the activation energy required for reactions, enabling processes essential for life to occur efficiently at body temperature.

Cofactors

Cofactors are non-protein chemical compounds or metallic ions that assist enzymes in catalyzing reactions. They can be organic molecules (coenzymes) or inorganic ions, and are often necessary for the enzyme's activity but are not catalysts themselves.

Activators

Activators are molecules that increase the activity of enzymes by binding to them and inducing a conformational change. They enhance enzyme function but do not act as catalysts themselves; instead, they regulate the enzyme's efficiency.

Special catalytic molecules called___speed up chemical reactions in the human body.(a) enzymes(b) cytozymes(c) cofactors(d) activators(e) cytochromes