What is the function of the release factor (RF)?
A. It releases the ribosome from the eR to allow polypeptides into the cytosol.
B. It separates tRNA in the A site from the growing polypeptide.
C. It binds to the stop codon in the A site in place of a tRNA.
D. It releases the amino acid from its tRNA to allow the amino acid to form a peptide bond.
E. It supplies a source of energy for termination of translation.
Ans: C. It binds to the stop codon in the A site in place of a tRNA.
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The work of a scientist usually begins with observation.
a. true b. false
Plants commonly exhibit
What will be an ideal response?
Predict what would happen to the volume of the urine if the descending portion of the loop of Henle ceased to function.
A. The volume of the urine would increase. B. The salt concentration of the urine would remain constant. C. The volume of the urine would not change. D. The volume of the urine would decrease.