Answer:
It should be D
Explanation:
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Answer:
helicase
Explanation:
The DNA replication is initiated in two steps. First of all, the so-called initiator protein unwinds a short stretch of the DNA double helix. Then, a protein known as helicase binds and breaks the hydrogen bonds between the bases of the DNA strands, moving the two strands apart.
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.
Answer :a. the polygenic nature of sickle-cell disease
Explanation:
<u>SS is a genetic disorder in which more than two genes control a single character</u>. Contrary to single gene to a trait. It exhibit an abnormal clinical heterogeneous traits for Mendel inheritance with multiple factors exerting influence on an individual disease outcome. Therefore multiple complications arises with symptoms
Artificial blood doesn't work that good with real blood and it can have side effects. It also doesn't carry as much oxygen as normal blood does