The reverse transcriptase is an enzyme which is used to (B) make DNA from RNA. It generates a complementary DNA from a RNA template and that is why it is called reverse transcriptase.
The sentence that uses the underlined word correctly is
<span>Because they had bad colds, the sisters couldn't perform their dance very well
its correct because it is correct and uses correct word
so i conclude option A is correct
hope it helps</span>
The abreviation after a word in a dictionary tell you what part of speech the word is. Such as noun (n), pronoun (pron), adjective (adj), adverb (adv), verb (vb), conjunction (conj), preposition (prep), or interjection (interj).
