Enzymes

Enzymes

Assessment

Flashcard

Biology

9th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What are enzymes?

Back

Enzymes are biological catalysts that speed up chemical reactions in living organisms. They are primarily made of proteins.

2.

FLASHCARD QUESTION

Front

What is the main function of an enzyme?

Back

The main function of an enzyme is to speed up reactions by lowering the activation energy required for the reaction to occur.

3.

FLASHCARD QUESTION

Front

What is a substrate in the context of enzymes?

Back

A substrate is the reactant molecule upon which an enzyme acts.

4.

FLASHCARD QUESTION

Front

What is the active site of an enzyme?

Back

The active site is the specific region of an enzyme where the substrate binds and the reaction occurs.

5.

FLASHCARD QUESTION

Front

What happens to enzymes at low temperatures?

Back

At low temperatures, enzymes slow down, which can reduce the rate of reactions.

6.

FLASHCARD QUESTION

Front

What happens to enzymes at high temperatures?

Back

At high temperatures, enzymes can denature, meaning their structure is altered and they can no longer function properly.

7.

FLASHCARD QUESTION

Front

What is enzyme specificity?

Back

Enzyme specificity refers to the ability of an enzyme to choose exact substrates from a group of similar chemical molecules.

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