The availability of oxygen and other electron acceptors is the most important determinant of the types of metabolism in a habitat. Which of the following is NOT true about anaerobic environments?
A) They have slower rates of assimilation compared to aerobic habitats.
B) Their rates of dissimilation are slower compared to aerobic environments.
C) Microbes sometimes use minerals such as NO₂- to oxidize organic compounds.
D) Anaerobic microbial biomass far exceeds that of the oxygenated biosphere.
E) Respiration of organic compounds is highly dissimilatory, reducing them to CO₂.

Question

Quizplus · Accepted Answer

Anaerobic respiration does not typically reduce organic compounds to CO₂; instead, it often results in the production of other reduced compounds like methane or hydrogen sulfide.

The Availability of Oxygen and Other Electron Acceptors Is the Most