Multiple Choice
How many binding sites for tRNA are found on a ribosome?
101
views
3. Energy & Cell Processes
Introduction to Translation
Struggling with Anatomy & Physiology?
Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Which binding site on a ribosome holds a tRNA attached to a growing polypeptide chain?
A
R site
B
E site
C
A site
D
P site
Verified step by step guidance1
Understand the role of the ribosome in protein synthesis, which involves the translation of mRNA into a polypeptide chain.
Recognize that the ribosome has three main binding sites for tRNA: the A site (aminoacyl site), the P site (peptidyl site), and the E site (exit site).
The A site is where the incoming tRNA carrying an amino acid binds to the ribosome.
The P site holds the tRNA that is attached to the growing polypeptide chain, facilitating the formation of peptide bonds between amino acids.
The E site is where the tRNA, now without an amino acid, exits the ribosome after transferring its amino acid to the growing chain.
6:12mWatch next
Master Introduction to Translation with a bite sized video explanation from Bruce Bryan
Start learningRelated Videos
Related Practice
Introduction to Translation practice set
Problem sets built by lead tutorsExpert video explanations