Studying the redox cycling of Fe in the environment has led to the discovery
A) of bacteria that transfer electrons long distances and generate electric currents.
B) of bacteria that destroy toxic metal ions.
C) of archaea that have Fe in their cell walls.
D) that Fe limits primary production in terrestrial ecosystems.

Question

Quizplus · Accepted Answer

Studying redox cycling of Fe has led to the discovery of bacteria that transfer electrons long distances and generate electric currents. These bacteria are known as Geobacter species and they play a role in natural biogeochemical cycling of elements in the environment.

Studying the Redox Cycling of Fe in the Environment Has