Enzymes

Enzymes

Assessment

Flashcard

Science

9th Grade

Hard

NGSS
HS-PS1-4

Standards-aligned

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15 questions

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1.

FLASHCARD QUESTION

Front

What are enzymes?

Back

Enzymes are proteins that act as biological catalysts, speeding up chemical reactions in living organisms.

2.

FLASHCARD QUESTION

Front

Where do substrates bind on an enzyme?

Back

Substrates bind at the active site of an enzyme.

3.

FLASHCARD QUESTION

Front

What suffix do most enzymes end with?

Back

Most enzymes typically end with the suffix -ase.

4.

FLASHCARD QUESTION

Front

What is the optimum pH for enzyme activity?

Back

The optimum pH is the pH at which an enzyme's activity is highest; for some enzymes, this can be around 6.6.

5.

FLASHCARD QUESTION

Front

What is another name for enzymes?

Back

Enzymes are also known as biological catalysts.

6.

FLASHCARD QUESTION

Front

What role do enzymes play in biological reactions?

Back

Enzymes lower the activation energy required for reactions, allowing them to occur more easily and quickly.

7.

FLASHCARD QUESTION

Front

Can enzymes be reused after a reaction?

Back

Yes, enzymes can be reused multiple times after catalyzing a reaction.

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