Microorganisms that rely solely on fermentation reactions for energy production make ATP primarily by this method.

Question

Quizplus · Accepted Answer

Microorganisms that rely solely on fermentation reactions do not have an electron transport chain or oxidative phosphorylation, thus they make ATP primarily by substrate-level phosphorylation, which is the transfer of a phosphate group from a substrate molecule directly to ADP.

Microorganisms That Rely Solely on Fermentation Reactions for Energy Production