What is a cofactor in enzyme reactions?

Practice Questions

Q1
What is a cofactor in enzyme reactions?
  1. A type of substrate
  2. A non-protein molecule that assists enzyme function
  3. An inhibitor of enzyme activity
  4. A product of the enzyme reaction

Questions & Step-by-Step Solutions

What is a cofactor in enzyme reactions?
  • Step 1: Understand that enzymes are proteins that help speed up chemical reactions in the body.
  • Step 2: Know that some enzymes need extra help to work properly.
  • Step 3: Learn that a cofactor is a non-protein molecule that provides this extra help.
  • Step 4: Realize that cofactors can help stabilize the enzyme and the molecule it works on (called the substrate).
  • Step 5: Remember that without cofactors, some enzymes might not work effectively.
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