객관식
Which type of protein acts as a catalyst to speed up chemical reactions in biological systems?
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7. Energy and Metabolism
Enzymes
객관식
Which term best describes the role of an enzyme in a biochemical reaction?
A
Catalyst
B
Product
C
Substrate
D
Reactant
검증된 단계별 안내1
Understand the role of an enzyme in a biochemical reaction: Enzymes are specialized proteins that speed up chemical reactions without being consumed in the process.
Define the term 'catalyst': A catalyst is a substance that increases the rate of a chemical reaction by lowering the activation energy required for the reaction to occur, without being permanently altered or used up.
Compare the given terms: 'Product' refers to the substances formed as a result of the reaction, 'Substrate' refers to the molecule upon which the enzyme acts, and 'Reactant' refers to the starting materials in a chemical reaction.
Identify the correct term: Since enzymes function to accelerate reactions without being consumed, the term 'Catalyst' best describes their role.
Conclude that the correct answer is 'Catalyst' based on the definition and comparison of terms provided.
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