Certain food elements are called major elements because

the calvin cycle has three stages. in stage 1, the enzyme rubisco incorporates carbon dioxide into an organic molecule. in stage 2, the organic molecule is reduced. in stage 3, rubp, the molecule that starts the cycle, is regenerated so that the cycle can continue

they fuse to form they have half as many chromosomes as a somatic cell of the same individual. b

the answer is c.

by: nicholas dooley