D an animal or plant getting a new "ability" is an example of evolution like this plant can climb now
The answer would be B. as ribosomes are in charge of translating mRNA to polypeptides and thus proteins. (In this case osteoid and various hormones)
The nucleus is the right answer BOOOF
the answer is CUAAGGCUGAU
IN the mRNA sequence the G switches to a C and the other way around
the T switches to an A, but the A switches to a U