15. The different tRNAs are produced by:

A. Different aminoacyl-tRNA synthetases that produce tRNAs fromribonucleotides in the cytoplasm

B. RNA editing of transcripts of a single tRNA gene

C. Alternatively spliced of a single tRNA gene

D. Transcription of different tRNA genes in the genome.

19. Which term is used to describe the overall 5'-to-3'direction of linked nucleotides in a DNA chain?

A. Complementarity

B. Sequence

C. Polarity

D. Primacy

23. If a chemical inhibitor of DNA ligase was added to bacterialcells after DNA replication initiation, the outcome would be

A. Elongation would occur, but Okazaki fragments would not bejoined together

B Elongation of the lagging strand, but not the leading strandwould occur.

C. Normal replication would proceed as DNA ligase is notrequired for this process

D. Too many supercoils would build up in the DNA, resulting in ahalting of elongation.

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QUESTION 15 The different tRNAs are produced by D Transcription of different tRNA genes in the genom... View the full answer