Biochemistry Quiz
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NUCLEOTIDES, DNA/RNA & INFORMATION FLOW
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A research team is investigating the effects of various compounds on bacterial translation. They treat bacterial cultures with different concentrations of three compounds and measure the incorporation of radioactively labeled amino acids into newly synthesized proteins. The results show:
Compound A: Reduces amino acid incorporation by 95% but does not affect mRNA binding to ribosomes.
Compound B: Reduces amino acid incorporation by 60% and causes accumulation of peptidyl-tRNAs.
Compound C: Reduces amino acid incorporation by 85% and prevents ribosome binding to mRNA.
Based on these experimental results, which conclusion about the mechanism of action of these compounds is most strongly supported?
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