Moderate

The diagram represents the reversible interaction between the active site of an enzyme and different inhibitors, X and Y.

Correct answer: B. Option B

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Explanation

B is correct. As both show reversible inhibition, so X must be competitive because it is binding to the active site whereas Y must be non-competitive because it is binding to the allosteric site.

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The chapter covers water's polarity and biological roles, carbohydrates, lipids, proteins and nucleic acids, including their monomers, bonds, structures and functions. It also distinguishes RNA from DNA and explains conjugated molecules such as glycoproteins, glycolipids and nucleoproteins, which combine organic molecules with a non-protein component.

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