Which of the following statements is correct regarding RNA?
A) rRNA is always attached to the rough ER.
B) If the base sequence of DNA is ATTGCA, the messenger RNA template will be UCCAGU.
C) There is exactly one specific type of mRNA for each amino acid.
D) Messenger RNA, transfer RNA, and ribosomal RNA play a role in protein synthesis.

Question

Quizplus · Accepted Answer

Messenger RNA carries the genetic information from DNA to ribosomes, transfer RNA transfers amino acids to ribosomes based on the codons on mRNA, and ribosomal RNA makes up the structure of ribosomes where protein synthesis occurs. Options A and C are incorrect because rRNA is also found in ribosomes and there are multiple types of mRNA that code for each amino acid depending on the genetic code. Option B is incorrect because the mRNA template would be UAACGU, not UCCAGU, as the T's in DNA are replaced by U's in RNA and the complementary base pairing rules are followed.

Which of the Following Statements Is Correct Regarding RNA