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In Calvin cycle, the first product identified was

a)

3-phosphoglyceric acid

b)

2-phosphoglyceric acid

c)

1-phosphoglyceric acid

d)

4-phosphoglyceric acid



Question ID - 4737 | SaraNextGen Top Answer

In Calvin cycle, the first product identified was

a)

3-phosphoglyceric acid

b)

2-phosphoglyceric acid

c)

1-phosphoglyceric acid

d)

4-phosphoglyceric acid

1 Answer
127 votes
Answer Key / Explanation : (a) -

(a)

Melvin Calvin used radioactive  in algal photosynthesis, which led to the discovery that the first  fixation product was a 3-carbon organic acid. He also contributed to working out the complete biosynthetic pathway; hence it was called Calvin cycle after him.

The first product identified was 3-phosphoglyceric acid or PGA. For this, he was awarded Nobel Prize

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