question_answer

Why glycolysis is considered one of the first metabolic pathways to have evolved?

A) It relies on fermentation, which is characteristic of the archaebacteria and eubacteria.

B) It produces much less ATP than does the electron transport chain and chemiosmosis.

C) It relies totally on enzymes that are produced by free ribosomes, and bacteria have only free ribosomes and no bound ribosomes.

D) It is nearly universal, is located in the cytosol, and does not involve\[{{O}_{2}}\].