MCQ Collection
Biochemistry MCQs
Practice Biochemistry questions with answers and explanations.
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Correct Answer: D. Lactate dehydrogenase
Explanation:
Lactate dehydrogenase is an enzyme that interconverts pyruvate and lactate while cycling NADH and NAD+.
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Correct Answer: C. Transamination
Explanation:
Transamination is transfer of an amino group between an amino acid and a keto acid.
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Correct Answer: D. Polymerase chain reaction
Explanation:
Polymerase chain reaction is a method that amplifies a selected DNA sequence through repeated thermal cycles.
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Correct Answer: C. Glycolysis
Explanation:
Glycolysis is a cytosolic pathway that converts glucose to pyruvate while generating ATP and NADH.
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Correct Answer: D. Urea cycle
Explanation:
Urea cycle is a hepatic pathway that converts toxic ammonia into urea for excretion.