Multiple choice

How does temperature affect enzyme?

  1. Higher the temperature, enzyme activity increases

  2. Above 40 degrees, the enzyme denatures

  3. Higher the temperature, enzyme activity decreases

  4. Lower the temperature, enzyme activity increases
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Enzymes have an optimal temperature range in which they function. For most human enzymes, temperatures above 40 degrees Celsius disrupt the weak chemical bonds stabilizing their tertiary structure, causing them to denature and lose function.

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