Practice Km (Michaelis Constant) - 5.5.3.2 | Module 5: Enzymes – The Catalysts of Life | Biology (Biology for Engineers)
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5.5.3.2 - Km (Michaelis Constant)

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define Km in your own words.

💡 Hint: Consider the relationship between enzyme activity and substrate concentration.

Question 2

Easy

What does a low Km value suggest about enzyme affinity?

💡 Hint: Think about how easily the enzyme can interact with the substrate.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does a low Km value indicate about an enzyme's affinity for its substrate?

  • High affinity
  • Low affinity
  • No correlation

💡 Hint: Remember the relationship between Km and enzyme affinity.

Question 2

True or False: Km is the substrate concentration at which the reaction velocity is maximum.

  • True
  • False

💡 Hint: Think about how Km relates to Vmax.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

If an enzyme operates with a Km of 15 µM and the substrate concentration is 10 µM, what can you predict about its activity?

💡 Hint: Relate the Km value to the substrate concentration and Vmax.

Question 2

Describe how varying Km values among different enzymes in a biochemical pathway could influence the overall metabolism of a cell.

💡 Hint: Consider the implications of enzyme affinity on metabolic efficiency.

Challenge and get performance evaluation