Aresearch article indicates that researchers have used an isotope, h-3, to trace a metabolic process. which metabolic processes would scientists be most likely to use h-3 in evaluating?

Cellular metabolism.

Explanation:

First we need to say that isotopes are radiation emitters that help to control (in a way) cells, for example, they help to destroy carcinogenic cells with its radiations.

Specifically the isotope H-3, also called tritium, was used as marked compounds in metabolism and cells researches around the world.

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.

the answer is: reproductively

i think i spelled it wrong lol

anyways hope i

-lavira: )