24. The prooess of A) translation B) transcription C mismatch repair D) transfor

Question

24. The prooess of A) translation B) transcription C mismatch repair D) transformation E DNA replication is described as semiconservative 25. Transfer of pieces of DNA mediated by phage is known as A) transformation of competent cells. B) transduction C conjugation D) transpostion Okazaki fragments. 26. In gel electrophoresis DNA molecules move toward the have an overall A) negative; negative B) positive; positive C) negative; positive D) positive; negative electrode because they charge negative and positive neutral 27-Which of the following is most involved in transation? A) DNA only B) tRNA polypeptides C mRNA only D) mRNA tRNA and polypeptides DNA, mRNA, and tRNA are all involved

Explanation / Answer

1) option E. DNA replication is a semiconservative process in which two daughter cells got their DNA strands. one is old strand and one is newly synthesized.

2) option B. process of transfer of foreign DNA through phage into a cell called transduction.

3) option D. in electrophoresis, DNA is moving to positive electrode because DNA is negatively charged due to its phosphate backbone.

4) option E. translation means protein synthesis process. it involves DNA for the transcription of mRNA, mRNA and tRNA which recognize codon in mRNA and introduce amino acid.

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