Asked by Ginny Aldrich on Apr 24, 2024
Verified
Which of the classes of RNA molecules has an anticodon?
A) ribosomal RNA
B) transfer RNA
C) messenger RNA
D) primary mRNA transcript
E) ribozyme
Anticodon
Three-base sequence in a transfer RNA molecule base that pairs with a complementary codon in mRNA.
Transfer RNA
An adaptor molecule in protein synthesis that carries a specific amino acid to the ribosome, where its anticodon pairs with the corresponding codon on mRNA.
Ribosomal RNA
A type of RNA which, along with proteins, forms the structure of ribosomes and plays a role in the translation of mRNA into proteins.
- Elucidate the sequence of events in translation, highlighting the contributions of mRNA, tRNA, and rRNA.
Verified Answer
PK
prakash kumar das7 days ago
Final Answer :
B
Explanation :
Transfer RNA (tRNA) is the class of RNA molecules that has an anticodon. The anticodon is a sequence of three nucleotides on the tRNA that is complementary to the codon on the messenger RNA (mRNA) during translation. This allows the tRNA to correctly match its specific amino acid to the correct codon on the mRNA sequence. Ribosomal RNA (rRNA) is a component of the ribosome and does not contain an anticodon. Messenger RNA (mRNA) is a temporary copy of DNA that carries the genetic information to the ribosome for translation and also does not contain an anticodon. Primary mRNA transcript is a precursor to mRNA and does not contain an anticodon. Ribozyme is a type of RNA molecule that has catalytic activity and does not contain an anticodon.
Learning Objectives
- Elucidate the sequence of events in translation, highlighting the contributions of mRNA, tRNA, and rRNA.