Enzymatic Reactions: Inhibition and Regulation


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Competitive inhibition involves an inhibitor

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1. An activator could have the following effect on an enzyme:

2. Which of the following is NOT true of a noncompetitive inhibitor?

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About This Quiz & Worksheet

Looking at the harmonious balance necessary for our cells' proper functioning, this quiz and corresponding worksheet will help you gauge your knowledge of the regulation of enzymes. Topics you'll need to know to pass the quiz include understanding what competitive inhibition involves as well as knowing the effects of an activator on an enzyme.

Quiz & Worksheet Goals

Use this printable worksheet and quiz to review:

  • What competitive inhibition involves
  • Effects of an activator on an enzyme
  • Characteristics of a noncompetitive inhibitor
  • How enzymes get regulated
  • Process for a non-substrate molecule to bind to an enzyme

Skills Practiced

This worksheet and quiz will let you practice the following skills:

  • Defining key concepts - ensure that you can accurately define main phrases and terms, such as competitive inhibition and a noncompetitive inhibitor
  • Interpreting information - verify you can read information regarding how enzymes get regulated and interpret it correctly
  • Knowledge application - use your knowledge to answer questions about the effects of an activator on an enzyme

Additional Learning

To learn more about what keeps our enzyme functions in check, review the corresponding lesson Enzymatic Reactions: Inhibition and Regulation. This lesson will help you:

  • Understand the positive and negative functions of enzyme regulation
  • Identify what an activator is and how it compares with an inhibitor
  • Describe what is involved in competitive inhibition
  • Know the role of noncompetitive inhibition in the cell
  • Appreciate the importance of enzyme regulation on the body
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