What bands will be observed in a cesium chloride gradient after two rounds of replication?
Answer: B
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The DNA polymerase in bacteria, responsible for DNA synthesis is
Answer: C
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There is a single origin for DNA replication in bacteria. How many origins of replication are found in the much larger genomes of eukaryotes such as mammals?
Answer: C
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The replication of a linear DNA molecule in a eukaryotic chromosome creates a problem which is reported to be sorted out by
Answer: A
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Which of the following reactions is required for proofreading during DNA replication by DNA polymerase III?
Answer: B
The 3’ → 5’ exonuclease activity removes the mispaired nucleotide and the polymerase begins again. This activity is known as proofreading.
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Which histone(s) are associated with the linker DNA of a nucleosome?
Answer: A
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DNA gyrase in E. coli
Answer: B
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What is the reaction in DNA replication catalyzed by DNA ligase?
Answer: C
DNA ligase catalyzes the formation of a phosphodiester bond between 3’-OH of one Okazaki fragment and 5’-phosphate of the next.
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What is a mode of replication in E.coli?
Answer: D
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Which of the following helps in opening of DNA double helix in front of replication fork?
Answer: C
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