Answer:
Bacteria play a central role
Explanation:
Nitrogen-fixing bacteria, which convert atmospheric nitrogen to nitrates. Bacteria of decay, which convert decaying nitrogen waste to ammonia. Nitrifying bacteria, which convert ammonia to nitrates/nitrites.
1) Tryptophan
2)Arginine
3)Cysteine
Hope I helped, good luck in the future !
<span>The ring of muscles that guards the opening between the stomach and the duodenum is the </span>pyloric sphincter
DNA replication D) I and III only take(s) place during either interphase or mitosis in animal cells? I. The re-formation of nuclear membranes II. Pairing of homologous<span>chromosomes III. </span>
