True
However, too much depressant in a person's body can lead to a sudden stop of the heart because of shock as it technically meant to slow down a person's heart rate. Although it's the other way round for stimulant, however neither of them is recommended for a normal "thinking" because the end result of abuse of both is the same Death
<h3><em><u>Prokaryotes</u></em> play several roles in the nitrogen cycle.
<em><u>Nitrogen-fixing</u></em> bacteria in the soil and within the root nodules of some plants convert nitrogen gas in the atmosphere to <em><u>ammonia</u></em>. <em><u>
Nitrifying bacteria</u></em> convert ammonia to nitrites or nitrates. ... Denitrifying bacteria converts nitrates back to <em><u>nitrogen gas</u>.</em></h3>
Answer:
It helps organisms survive.
Explanation:
To elaborate, adaptive traits and behavior is learned because of a necessity to <em>survive</em>.
A good example might be vaccinations and your immune system. Your body needs exposure to a pathogen to learn what it does, then adapts to fight off the pathogen. It adapts to survive.
In a constantly changing world, if you can't adapt, you simply won't survive long enough.
First write it out:
AAC AAG CCC....which are amino acids...ASP LYS PRO
If you change the first A to a C you get...
CAC AAG CCC...which gives rise to amino acids...HIS LYS PRO
Only the first amino acid is changed...but that could be devastating depending on the protein.