Amino Ai The diagram above is a tRNA/mRNA pairing. Choose a letter (A-D) for eac

Question

Amino Ai The diagram above is a tRNA/mRNA pairing. Choose a letter (A-D) for each of the 4 questions below 7. What is the 5' end of the tRNA? 8. What is the 5' end of the mRNA? 9. What is the 3" end of the tRNA? 10. What is the 3" end of the mRNA? 11. Referring to th code)? e codon table, the boxed nucleotides on the mRNA above would correspond to what (amino acids are in single letwer A. "Y" ?. "STOP" C. "D" D. "Q" 12. Shown is a representation of the lariat structure created during RNA splicing. Indicate the letter of the 2" to 5' phosphate in the diagram. excised intron in form of a lariat OH 3' end of intron mRNA molecules from human and Escherichia coli cells, which of the following is cial 5' cap, while a bacterial mRNA does not. B. A human mRNA has a poly-A tail, while a bacterial mRNA C. A human mRNA undergoes alternative A. A human mRNA has a spe splicing, while a bacterial mRNA does not. encode several differentpr RNA encodes one protein, while many bacterial mRNAs D. A typical human m

Explanation / Answer

7) C is the 5' end of tRNA. It is the phosphate end.

8) A is the 5' end of mRNA. mRNA is read from 5' to 3' during transcription.

9) D is the 3' end of tRNA. It is the amino acid binding site.

10) B is the 3' end of mRNA. It has the stop codon (UAG) at this position.

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