Which of the following is an example of a covalent modification that regulates e

Practice Questions

Q1
Which of the following is an example of a covalent modification that regulates enzyme activity?
  1. Phosphorylation
  2. Competitive inhibition
  3. Feedback inhibition
  4. Allosteric activation

Questions & Step-by-Step Solutions

Which of the following is an example of a covalent modification that regulates enzyme activity?
  • Step 1: Understand what covalent modification means. It is a chemical change made to a molecule by adding or removing a chemical group.
  • Step 2: Learn about enzymes. Enzymes are proteins that help speed up chemical reactions in the body.
  • Step 3: Know that covalent modifications can change how enzymes work. This means they can make enzymes more active or less active.
  • Step 4: Identify phosphorylation as a specific type of covalent modification. Phosphorylation involves adding a phosphate group to an enzyme.
  • Step 5: Recognize that phosphorylation can either activate or deactivate an enzyme, depending on the enzyme and the context.
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