If Carbon Dioxide Is Used as a Substrate, the Major

If carbon dioxide is used as a substrate, the major products of rubisco are _____; if oxygen is used as a substrate, the major products of rubisco are _____.

A) 2 molecules of 3-phosphoglycerate; 2-phosphoglycolate and 3-phosphoglycerate
B) 2 molecules of 3-phosphoglycerate; glyoxylate and 3-phosphoglycerate
C) 3-phosphoglycerate and glyceraldehyde-3-phosphate; 2-phosphoglycolate and 3-phosphoglycerate
D) 3-phosphoglycerate and glyceraldehyde-3-phosphate; glyoxylate and 3-phosphoglycerate
E) none of the above