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Question
How many molecules of glycine is required to release one CO2 molecule in photorespiration?
How many molecules of glycine is required to release one CO2 molecule in photorespiration?
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Solution
The correct option is D Two
Photorespiration is a wasteful process which occurs due to attachment of oxygen at the active site of enzyme RuBisCO instead of carbon dioxide. Phosphoglycolate is formed in place of 3-phosphoglycerate. It takes place in the chloroplasts, leaf peroxisomes and mitochondria. Two molecules of glycine combine in mitochondria during photorespiration and form serine and release one CO2. So, the correct answer is option B.
Photorespiration is a wasteful process which occurs due to attachment of oxygen at the active site of enzyme RuBisCO instead of carbon dioxide. Phosphoglycolate is formed in place of 3-phosphoglycerate. It takes place in the chloroplasts, leaf peroxisomes and mitochondria. Two molecules of glycine combine in mitochondria during photorespiration and form serine and release one CO2.
So, the correct answer is option B.
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