Which of the following oxidize H2S to SO4-2, the form of sulfur animals use for their metabolism?

A. Beggiatoa
B. Desulfovibrio
C. purple sulfur bacteria
D. both Beggiatoa and purple sulfur bacteria
E. both Beggiatoa and Desulfovibrio


Answer: D

Biology & Microbiology

You might also like to view...

Traditional enrichment culturing circumvents issues associated with "weed" species from overcoming the population

Indicate whether the statement is true or false.

Biology & Microbiology

Which of the following drugs target peptidoglycan?

A. Penicillin B. Cephalosporin C. Vancomycin D. Bacitracin E. All of the choices are correct.

Biology & Microbiology

What is the region in the middle of a replicated chromosome that connects sister chromatids?

A) centriole B) centromere C) karyotype D) chromatid

Biology & Microbiology

Forests are considered carbon storage sinks because ________.

A. carbon dioxide is released into the atmosphere through the stoma of plants B. plants are energy plantations C. plants swap carbon dioxide for oxygen from the atmosphere D. carbon dioxide is used in the Calvin cycle to make glucose, which is used to make wood and other tree molecules.

Biology & Microbiology