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DNA Structure & Replication/TRANSCRIPTION/TRANSLATION ...

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17. In translation, which of the following is responsible for bringing amino acids to the ribosome to<br />

be added to the polypeptide chain?<br />

a. rRNA<br />

b. mRNA<br />

c. tRNA<br />

d. RNA polymerase<br />

e. Large subunit of the ribosome<br />

18. A tRNA has the following anticodon: 3’-GCU-5’. What amino acid does it code for?<br />

a. Ala<br />

b. Arg<br />

c. Ser<br />

d. Leu<br />

e. Phe<br />

19. What amino acid does the “Start tRNA” carry?<br />

a. Ala<br />

b. His<br />

c. Met<br />

d. Trp<br />

e. Phe<br />

20. What kind of bond is formed between amino acids in order to make a polypeptide chain?<br />

a. Phosphodiester bond<br />

b. Peptide bond<br />

c. Hydrogen bond<br />

d. Ionic bond<br />

e. Metallic bond<br />

21. The picture below depicts mRNA being transcribed from a <strong>DNA</strong> molecule. Which <strong>DNA</strong> strand is<br />

the coding strand?<br />

a. The top <strong>DNA</strong> strand<br />

b. The bottom <strong>DNA</strong> strand<br />

c. Both strands are coding<br />

d. Neither strand is coding<br />

e. Unable to determine from the information given

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