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🧬 How enzyme activity changes

Read enzyme-rate graphs and explain catalysis, active sites, environmental effects, inhibition, feedback, and experimental controls.

10
lessons
~10 min
to learn
🔬 Science
subject
Adults
level
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What you’ll learn

  1. Catalysis
  2. Active site
  3. Temperature
  4. pH
  5. Substrate
  6. Enzyme amount
  7. Competitive inhibition
  8. Noncompetitive inhibition
  9. Feedback
  10. Experiment

Questions this course answers

What does an enzyme lower?

Catalysts provide a lower-energy pathway without changing the reaction’s overall energy difference.

Why does a substrate curve plateau?

At high substrate concentration, available active sites limit the rate.

What can overcome competitive inhibition?

Substrate can outcompete an inhibitor for active-site binding.

What should a good enzyme experiment control?

Controls isolate the effect of the independent variable.

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