The process in which NH4

+ is oxidized to NO3
? is called



a. nitrification.
b. ammonification.
c. nitrogen cycling.
d. nitrogen fixation.
e. nitrogen assimilation.


A

Biology & Microbiology

You might also like to view...

The vomeronasal organ in reptiles and some mammals detects ________

a. scents b. body heat of prey c. pheromones d. the taste umami

Biology & Microbiology

The portion of the cytoskeleton that attaches, pulls, and guides the chromosomes during cell division is the

A. kinetochore. B. Golgi body. C. mitotic spindle. D. centrosome. E. centromere.

Biology & Microbiology

Which level of membrane permeability allows the cell to reach equilibrium with its environment the fastest?

a. 0.05 b. 0.10 c. 0.20 d. None of the above. Membrane permeability does not influence the time it takes toreach equilibrium.

Biology & Microbiology

If a blood vessel has valves, it is probably

a. a vein b. an artery c. a venule d. part of the lymphatic system

Biology & Microbiology