Asked in PMC Practice Test 13 (2021) 2021Moderate

The activator of phosphatase enzyme is _.

Correct answer: B. Mg2+

  • A. Mn2+
  • B. Mg2+
  • C. Zn2+
  • D. None of these options are correct

Explanation

OPTION A: The activator of the phosphatase enzyme is not Mn2+ because it is not the right type of ion to activate the enzyme.OPTION B: The magnesium ion is a necessary cofactor of the phosphatase enzyme in humans. Some common cofactors are: Manganese is the cofactor for catalases, peroxidases, and superoxide dismutases. Chloride ion for salivary amylase.OPTION C: The activator of the phosphatase enzyme is not Zn2+ because it is commonly associated with the inhibition of phosphatases, not activation. OPTION D: This option is not the right one here.

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