Which of the following is NOT a characteristic of allosteric enzymes?

Practice Questions

Q1
Which of the following is NOT a characteristic of allosteric enzymes?
  1. Sigmoidal kinetics
  2. Cooperativity
  3. Michaelis-Menten kinetics
  4. Regulation by effectors

Questions & Step-by-Step Solutions

Which of the following is NOT a characteristic of allosteric enzymes?
  • Step 1: Understand what allosteric enzymes are. They are enzymes that can change their shape and activity when molecules bind to them at sites other than the active site.
  • Step 2: Learn about the characteristics of allosteric enzymes. They usually show a sigmoidal (S-shaped) curve when plotting reaction rate against substrate concentration.
  • Step 3: Compare allosteric enzymes to Michaelis-Menten enzymes. Michaelis-Menten enzymes show a hyperbolic curve, not sigmoidal.
  • Step 4: Identify the key difference: Allosteric enzymes do not follow Michaelis-Menten kinetics, which is a characteristic of regular enzymes.
  • Step 5: Conclude that the statement about allosteric enzymes not following Michaelis-Menten kinetics is correct, making it the answer to the question.
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