How many molecules of glycine are required to release one molecule of CO2 in photorespiration?
A
One
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B
Two
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C
Three
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D
Four
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Solution
The correct option is C Two
Answer is option B i.e. "Two" Photorespiration is a process in plant metabolism. It takes place in the chloroplasts, leaf peroxisomes and mitochondria. Two molecules of glycine combine in mitochondria during photorespiration and forms serine to release one carbon dioxide.