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MHT CET 202624 AprilMorning Shift
Exam
MHT CET
Year
2026
Date
24 April
Shift
Morning Shift
Subject
Biology
Chapter
Biomolecules (B)

MHT CET 2026 · 24 April · Morning Shift · Biology · Biomolecules (B)

Which one of the following is the activator for enzyme Pyruvate...

Which one of the following is the activator for enzyme Pyruvate Kinase?

Options

  1. AZn++\text{Zn}^{++}
  2. BMg++\text{Mg}^{++}
  3. CCa++\text{Ca}^{++}
  4. DMn++\text{Mn}^{++}

Correct answer

B. Mg++\text{Mg}^{++}

Step-by-step solution

Pyruvate kinase is an enzyme that catalyzes the final step of glycolysis, converting phosphoenolpyruvate to pyruvate with the generation of ATP.

Like most kinase enzymes involved in phosphate transfer reactions, it requires a divalent metal cation as a cofactor for its catalytic activity.

The magnesium ion (Mg^{++})actsastheprimaryphysiologicalactivatorfortheenzymepyruvatekinase.<br><br>Answer:Mg++) acts as the primary physiological activator for the enzyme pyruvate kinase.<br><br>Answer: \text{Mg}^{++}
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