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Which of these is a 2-carbon molecule?

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in Biology – Class 11 by (272k points)
Which of these is a 2-carbon molecule?

(a) Phosphoglycolate

(b) OAA

(c) PGA

(d) Malic acid

This question was addressed to me during a job interview.

The origin of the question is Higher Plants Photosynthesis topic in chapter Photosynthesis in Higher Plants of Biology – Class 11

1 Answer

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Best answer
The correct option is (a) Phosphoglycolate

The explanation is: Phosphoglycolate is a 2-carbon compound formed during the process of photosynthesis. Malic acid and oxaloacetic acid (OAA) are 4-carbon compounds while PGA is a 3-carbon compound.

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