Its stabilising. Since the selection pressure is against the extremes which are the normal blood and the sickle cell anaemia.
Answer:
A. ocean trenches
Explanation:
I just took that test. Sorry I know I'm late and this won't help.
Answer:
Diamonds are extremely durable and graphite (pencil lead) is very fragile.
Explanation:
The cytoplasm of a bacterial cell contains the deoxyribonucleic acid (DNA) molecules that make up the bacterial genome (or nucleoid), the transcriptional machinery that copies DNA into ribonucleic acid (RNA), and the ribosomes that translate the messenger RNA information into protein sequence.
