Anaerobic fermentation often provides CO₂,which can be used by ________ as an electron acceptor for energy.
A) acetogens
B) methanotrophs
C) methanogens
D) acetogens and methanogens

Question

Quizplus · Accepted Answer

Acetogens and methanogens are both anaerobic bacteria that can use CO2 as an electron acceptor for energy. Acetogens produce acetate as a byproduct of fermentation, while methanogens produce methane.

Anaerobic Fermentation Often Provides CO₂,which Can Be Used by ________