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During DNA replication, the discontinuously synthesized fragments are joined by (A) Helicase (B) Ligase (C) Transacetylase (D) RNA polymerase

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Which of the following is NOT a region in the transcription unit of DNA? (A) Terminator (B) Sigma factor (C) Promoter (D) Structural gene

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Which of the following is NOT an essential criterion of a molecule that acts as genetic material? (A) It should be chemically and structurally stable. (B) It should be able to undergo replication. (C) It should be capable of undergoing changes required for evolution. (D) It should be composed of complementary and antiparallel strands.

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Negatively charged DNA is wrapped around a positively charged histone complex, forming (A) deoxyribonucleic acid (B) histone octamer (C) nucleosome (D) nucleoid

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