In C3 plants, the first stable product of photo synthesis during the dark reaction is:
The correct option is A 3-phosphoglyceric acid 3-phosphoglyceric acid, is a 3 carbon compound that is first formed in the C3 cycle. It is then converted to glyceraldehyde-3-phosphate. Oxaloacetic acid, is a 4 carbon compound that is first formed in the C4 cycle. It is then converted to malic acid.