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 without being consumed in the process.

2.

FLASHCARD QUESTION

Front

What is the role of an active site in an enzyme?

Back

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

3.

FLASHCARD QUESTION

Front

What is a substrate?

Back

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

4.

FLASHCARD QUESTION

Front

What does it mean for an enzyme to be specific?

Back

Enzyme specificity means that each enzyme only catalyzes a specific reaction for a particular substrate.

5.

FLASHCARD QUESTION

Front

What is the significance of the optimal temperature for enzyme activity?

Back

The optimal temperature is the temperature at which an enzyme's activity is highest, allowing for maximum reaction rates.

6.

FLASHCARD QUESTION

Front

What happens to enzymes at temperatures above their optimal range?

Back

At temperatures above their optimal range, enzymes can denature, losing their shape and functionality.

7.

FLASHCARD QUESTION

Front

What is the effect of pH on enzyme activity?

Back

Each enzyme has an optimal pH range; deviations can lead to decreased activity or denaturation.

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