I would go for 'c'. The reason being, is that it doesn't do much, and I am also assuming that offshore drilling will not affect underwater sources, which are linked to the ocean.
I have no idea what that means but the answer is b
• Genes can contain more than one polyadenylation site, which alters the 3' of the mRNA transcript and the inclusion/exclusion of exons.
• mRNA transcripts from the same gene can be differentially spliced to include/exclude exons.
Explanation:
But researchers in Israel have done a study showing that families have characteristic facial expressions, ones even shared by blind members of the families. The results suggests that such expressions may be inherited and thus under some genetic control.
In biology, a life cycle<span> is a series of changes in form that an </span>organism<span> undergoes, returning to the starting state. "The concept is closely related to those of the </span>life<span>history, development and ontogeny, but differs from them in stressing renewal."</span>