It has not. Evolution is not a process that can happen to individual organisms; it's change that happens to a species over many generations.
The second phage of cellular respiration is transition stage.
Process take place in transition stage:
The transition stage take place in mitochondria. The pyruvate is combined with NAD+ to form NADH and acetyl co-enzyme molecules.
After transition stage, Krebs cycle starts.
As you grow older, you would need to remain physically active to keep a good level of physical fitness.
Answer: T
Answer:
the rock cycle that's a thing?
