A) phosphoglycerate
B) phosphoglycolate
C) glycerate
D) glycine
Correct Answer: B
Solution :
Photorespiration is the light dependent process in which utilization of oxygen and release of\[C{{O}_{2}}\] by the photosynthesis organs of a plant takes place. Normally, photosynthetic organs are reverse in the light, i.e., uptake, of \[C{{O}_{2}}\] and release of\[{{O}_{2}}\]. This process is pronounced in \[{{C}_{4}}\] plants and negligible in\[{{C}_{4}}\] plants. At high temperature \[RuBP\] carboxylase functions as oxygenase and instead of fixing\[C{{O}_{2}}\], oxidizes ribulose 1, 5-biphosphate to produce phosphoglyceric acid and phosphoglycolate (starting product). On hydrolysing, it forms glycolate and then glyoxylate glycine and serine respectively.
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