Multiple Choice
How many binding sites are present on the ribosome for tRNA during translation?
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3. Energy & Cell Processes
Introduction to Translation
Multiple Choice
In which site of the ribosome would you find an uncharged tRNA molecule during translation?
A
E site (Exit site)
B
P site (Peptidyl site)
C
A site (Aminoacyl site)
D
R site (Ribosomal site)
Verified step by step guidance1
Understand the role of tRNA in translation: tRNA molecules are responsible for bringing amino acids to the ribosome during protein synthesis.
Learn about the ribosome structure: The ribosome has three main sites for tRNA binding - the A site (Aminoacyl site), the P site (Peptidyl site), and the E site (Exit site).
Identify the function of each site: The A site is where the tRNA carrying the next amino acid binds, the P site holds the tRNA with the growing polypeptide chain, and the E site is where the uncharged tRNA exits the ribosome.
Determine the location of uncharged tRNA: After the tRNA has transferred its amino acid to the growing polypeptide chain, it becomes uncharged and moves to the E site.
Conclude that the uncharged tRNA is found in the E site (Exit site) of the ribosome during translation.
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