The metabolic process of denitrification

A) oxidizes N2.
B) oxidizes NO3-.
C) reduces N2.
D) reduces NO3-.


Answer: D

Biology & Microbiology

You might also like to view...

“Solutes move from the blood in capillaries

into adjacent tubules.” This is a description of

a. filtration. b. reabsorption. c. secretion. d. elimination. e. excretion

Biology & Microbiology

Which enzyme unwinds the DNA during transcription?

a. helicase b. DNA polymerase c. DNA replicase d. RNA polymerase e. RNA replicase

Biology & Microbiology

The epithelial tissue of animal cells is most similar to the ________ of plant cells?

A. xylem B. phloem C. dermal D. ground E. vascular

Biology & Microbiology

Which portal of entry is the most commonly used by pathogens?

A. gastrointestinal B. urogenital C. skin D. respiratory E. They are all equally used as portals.

Biology & Microbiology