Which of the following enzymes are involved in the initial and second carbon fixation in sorghum, and in which cells do they occur, respectively?
Text Solution
Verified by ExpertsThe correct answer is:
B
Sorghum is a
plant. The initial
fixation occurs in mesophyll cells by phosphoenolpyruvate
(PEP) carboxylase, forming oxaloacetate ( → malate/aspartate). These
acids move to the bundle sheath cells, where they are decarboxylated; the released
is then fixed a second time by RuBisCO via the Calvin cycle.
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