What effect does increasing substrate concentration have on enzyme activity, up

Practice Questions

Q1
What effect does increasing substrate concentration have on enzyme activity, up to a certain point?
  1. It decreases enzyme activity
  2. It has no effect
  3. It increases enzyme activity until saturation
  4. It permanently denatures the enzyme

Questions & Step-by-Step Solutions

What effect does increasing substrate concentration have on enzyme activity, up to a certain point?
  • Step 1: Understand that enzymes are proteins that help speed up chemical reactions in the body.
  • Step 2: Know that enzymes work on molecules called substrates.
  • Step 3: When you increase the amount of substrate, there are more molecules for the enzyme to work on.
  • Step 4: As you add more substrate, the enzyme can work faster because it has more to do.
  • Step 5: This increase in substrate concentration continues to boost enzyme activity up to a certain point.
  • Step 6: Eventually, all the active sites on the enzyme are filled with substrate, and the enzyme is working as fast as it can.
  • Step 7: At this point, adding more substrate will not increase the enzyme activity anymore; the enzyme is said to be saturated.
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