Q. In the study of one experiment it was found that the value of Tm for DNA is = 40° C. If the cell has 20% GC at the above Tm, then what will be value of 'Tm' if the GC% increases to 60%?

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Q. What is the range of melting point temperatures (Tm) for most DNA molecules?

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Q. Reverse transcriptase produces

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Q. The nicks or gaps between Okazaki fragments are eventually sealed by

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Q. Nucleosome is

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Q. The DNA polymerase in bacteria, responsible for DNA synthesis is

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Q. In a typical electrophoresis experiment, larger fragments of DNA move more

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Q. Each replication bubbles consists of

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Q. In DNA replication, one new strand is synthesized complementary to an old (parent) strand and is referred as

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Q. In a cesium chloride gradient, DNA labeled with 15N and centrifuged will form a band

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Q. The role of primase is to

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Q. Deoxyribonucleoside triphosphates, being need in the chain termination methods are

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Q. 30 nm wide helix with five or six nucleosomes per helix is known as

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Q. Which of the following is used to determine the appropriate stringency (Wallace rule)?

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Q. One hypothesis of DNA replication suggested that the parental DNA molecules are broken into fragments. Both strands of DNA in each of the daughter molecules are made up of an assortment of parental and new DNA. This statement refers to which hypothesis?

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Q. DNA polymerases I also has

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Q. Without telomerase, what would happen to the ends of chromosomes after each round of replication?

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Q. What is the approximate percentage of repetitive DNA sequences in human DNA?

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Q. The replication of a linear DNA molecule in a eukaryotic chromosome creates a problem which is reported to be sorted out by

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Q. The rapid appearance of HIV-1 strains that are resistant to AIDS drugs is due in part to which of the following property of its reverse transcriptase?

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