In an analysis of the nucleotide composition of DNA, which of the following is t

Question

In an analysis of the nucleotide composition of DNA, which of the following is true? A) A G and CT B)A+C-G+T C)A C E) Both B and C are true 33. Non-Homologous recombination is mainly involved in A) Replication 8) Transcription C) Gene regulation D) DNA Repair 34... breaks the phosphodiester bond and A) Ligase and Restriction enzyme B) Restriction enzyme and Primase C) Restriction enzymes and DNA Polymerases D] Restriction enzyme and Helicase tes the phosphodiester bond. 35. The following type of mutation in a proto-oncogene may A) Translocation of gene B) Gene amplification C) Point mutation within regulatory element D) Point mutation within gene E) All of the above cause cancer in human 36. The following statement is true about a tumor suppressor gene mutation to induce cell division of a mammalian cell: A) Proto-oncogene product must have decreased activity B) Tumor suppressor gene product must lose activity C) Tumor suppressor gene product must have an increased activity. D) Proto-oncogene must lose ability to express mRNA. 37. Incidence of cancer in human increases with age suggesting that: A) Cancer is an infectious disease B) Multiple mutations are required to develop cancer C) Cancer gene(s) cannot be acquired in lifetime. D) None of the above are 38. Which of the following is true concerning cancer cells? A) They do not exhibit density-dependent inhibition when growing in culture. 8) When they stop dividing, they do so at random points in the cell cycle. C) They are not subject to cell cycle controls D) B and C only EJA, B, and C

Explanation / Answer

32 B

Percentage of A:T and G:C is equal

33 D

Non-homologous end joining (NHEJ) is a pathway that repairs double-strand breaks in DNA.

34. C

35. E (all)

We are advised to answer only 4 question according to chegg guideline..

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