Which step of respiration produces the most energy for the organism?
O
A. Krebs cycle
O
O
O
B. Glycolysis
C. Fermentation
D. Electron transport chain

option number one would be youre best option

a "theory" a suggestion that is not 100 % accurate, or a figure. some people say its a theory because they of all the passed theory's about one subject. it depends sometimes theory might be accurate and sometimes they are.

as in mitosis, dna replication occurs during interphase.   in meiosis, it occurs specifically in s phase of interphase 1.