I believe the answer is PREZYGOTIC isolating mechanisms
The Answer is B i just took the test. Enjoy, i also just looked it up on a quizlet. That's another website you can use if it comes up in the search for the question.
Ribosomes are where the proteins are formed
I choose the option (4) chemical bond.
Glucose is decomposed to 2 pyruvate, acetyl-CoA, and then entering the TCA cycle. All the energy such as ATP, NADH, and FADH2 is generated from braking the chemical bond.