You arrive at your second home in the mountains looking forward to a relaxing vacation.Unfortunately,when you turn on the water you smell hydrogen sulfide (H₂S)gas.After some research,you find out that the H₂S may be due to the presence of sulfur bacteria living in your pipes.Which of the following molecules would these bacteria use as an electron acceptor?

Question

Quizplus · Accepted Answer

Sulfur bacteria are known to use sulfur as an electron acceptor in their anaerobic respiration process. Among the choices, only molecule C (SO₄) contains sulfur in its chemical formula, hence it is the most likely molecule that these bacteria use as an electron acceptor.

You Arrive at Your Second Home in the Mountains Looking