What is the first stable product of CO2 fixation in the Calvin cycle?
AOxaloacetic acid
B3-phosphoglyceric acid
CRibulose bisphosphate
DPhosphoenol pyruvate
Answer & Solution
Correct answer: B. 3-phosphoglyceric acid
Calvin's 14C work showed that the first CO2 fixation product is the three-carbon acid 3-PGA.
Related questions
Abscisic acid was discovered because of its role in which two events?By inducing seed dormancy, abscisic acid helps seeds withstand what?Which plant growth regulator is a derivative of carotenoids?Ethephon hastens ripening of tomatoes and apples by releasing which PGR?Ethylene is made in large amounts by senescing tissues and which other tissues?Cytokinins help to overcome which phenomenon caused by auxin?Zeatin, a natural cytokinin, was first isolated from what source?Which PGR promotes bolting in rosette plants such as cabbage?