Enzymes

Enzymes

Assessment

Flashcard

Science

10th Grade

Practice Problem

Hard

Created by

Wayground Content

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11 questions

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1.

FLASHCARD QUESTION

Front

What kind of reaction is this?

Media Image

Back

Exergonic and catabolic

2.

FLASHCARD QUESTION

Front

Why has this enzyme activity decreased so much?

Media Image

Back

The enzyme has become denatured

3.

FLASHCARD QUESTION

Front

What happens when an enzyme denatures?

Back

The secondary/tertiary structure of the protein has changed

4.

FLASHCARD QUESTION

Front

What happens to the pepsin enzyme in alkaline conditions?

Media Image

Back

The enzyme will denature and no longer work.

5.

FLASHCARD QUESTION

Front

Which type of inhibition can be overcome by adding more substrate?

Back

Competitive inhibition

6.

FLASHCARD QUESTION

Front

Which of the following can be used to determine the rate of enzyme-catalyzed reactions?

  • Rate of disappearance of the enzyme
  • Rate of disappearance of the substrate
  • Rate of disappearance of the product
  • Change in volume of the solution

Back

Rate of disappearance of the substrate

7.

FLASHCARD QUESTION

Front

Which of these is NOT true?

  • Enzymes can denature (change shape) when the temperature gets too high.
  • Enzymes can only be used once in a chemical reaction.
  • Extreme pH can denature enzymes.
  • Enzymes speed up chemical reactions.

Back

Enzymes can only be used once in a chemical reaction.

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