Which of the following groups contain(s) many unique coenzymes, such as coenzyme M and coenzyme F420?

Acetogens (acetigens; acetate-producing microbes)

Methanotrophs (methane-oxidizing microbes)

Methanogens (methane-producing microbes)

Which of the following groups contain(s) many unique coenzymes, such a

1.	Which of the following groups contain(s) many unique coenzymes, such as coenzyme M and coenzyme F420?
A.	Sulfate-reducing bacteria
B.	Methanotrophs (methane-oxidizing microbes)
C.	Methanogens (methane-producing microbes)
D.	Acetogens (acetigens; acetate-producing microbes)
Answer» D. Acetogens (acetigens; acetate-producing microbes)