Effect of pH on Enzyme Activity


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What is an enzyme?

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1. All of the below describe an enzyme EXCEPT which condition?

2. A pH less than 7 is considered a/an _____, while a pH greater than 7 is a/an _____.

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About This Quiz & Worksheet

Utilize this quiz and worksheet to practice what you know about the effects pH levels have on enzymes. These assessments will test you on what enzymes are, the effects pH levels have on enzymes and what happens to an enzyme in a chemical reaction.

Quiz & Worksheet Goals

This set of study materials focuses on the following goals:

  • Describe what an enzyme is
  • Identify conditions an enzyme experiences in a chemical reaction
  • Understand what happens to enzymes in unsuitable pH's
  • Describe the optimal pH condition for an enzyme

Skills Practiced

Lesson comprehension skills you will practice include:

  • Reading comprehension - ensure that you draw the most important information from the related biology lesson
  • Information recall - access the knowledge you've gained regarding the pH levels of acids and bases, what enzymes are and what happens to enzymes in chemical reactions
  • Knowledge application - use your knowledge to answer questions about the effects of optimal and unsuitable pH levels on enzymes

Additional Learning

To learn more about the impact pH has on enzyme activity review the lesson Effect of pH on Enzyme Activity. This lesson covers the following objectives:

  • Define lesson vocabulary, such as substrate, active site, enzyme-substrate complex, enzyme-product complex
  • Examine an enzyme substrate chemical reaction
  • Understand what pH is
  • Look at the ways enzymes react to pH levels