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Which is the enzyme that acts as a regulatory enzyme in a four-step metabolic pathway?

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Which is the enzyme that acts as a regulatory enzyme in a four-step metabolic pathway?

(a) First enzyme

(b) Fourth enzyme

(c) Second enzyme

(d) Third enzyme

I had been asked this question in an interview for job.

The query is from Regulatory Enzymes topic in chapter Enzymes, Carbohydrates and Gycobiology of Biochemistry

1 Answer

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Best answer
The correct choice is (a) First enzyme

The best explanation: First reaction is the best place to regulate a metabolic pathway. So, the first enzyme acts as the regulatory enzyme.

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