Moderate

What is not true about the induced fit model:

Correct answer: D. Enzyme doesn't show change during reaction

  • A. Explains mechanism of enzyme action
  • B. Enzyme is specific in nature
  • C. Enzyme is a flexible structure
  • D. Enzyme doesn't show change during reaction

Explanation

Option A: The induced fit model is a model that explains how enzymes work. It states that the enzyme changes shape slightly when it binds to the substrate. This change in shape allows the enzyme to better interact with the substrate and catalyze the reaction. Option B: Enzymes are specific in nature, meaning that they only bind to certain substrates. This specificity is due to the shape of the enzyme's active site. The active site is the part of the enzyme that binds to the substrate. The active site is shaped in such a way that it can only bind to a specific substrate. Option C: Enzymes are flexible structures, which allows them to change shape in order to bind to the substrate and catalyze the reaction. The flexibility of the enzyme is due to the bonds between the amino acids in the enzyme's structure. These bonds can be broken and reformed, which allows the enzyme to change shape. Option D: This statement is false. The induced fit model states that the enzyme changes shape slightly when it binds to the substrate. This change in shape is necessary for the enzyme to catalyze the reaction. Without the change in shape, the enzyme would not be able to interact with the substrate properly and catalyze the reaction.

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About Enzymes

Enzymes are biological catalysts that lower activation energy without being consumed, and their specificity is explained by the lock and key and induced fit models. Work includes the effects of temperature, pH and substrate concentration on reaction rate, plus competitive and non-competitive inhibition and how these differ.

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