Q. Pulse field gel electrophoresis was developed by ____________

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Q. What is the condition required to observe B form of DNA?

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Q. What is the condition required to observe A form of DNA?

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Q. How many bases are there in per turn of the B form of DNA?

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Q. Which of the following is not a character of A DNA?

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Q. How many bases are there in per turn of the A form of DNA?

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Q. Which of the following is not a character of B form of DNA?

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Q. In a right handed DNA the glycosidic bond is in syn configuration.

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Q. In the Z form of DNA the fundamental repeating unit is __________

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Q. What is the factor responsible for the left-handed helical conformation in Z form of DNA?

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Q. In higher salt concentration the DNA helix assumes the right-handed conformation.

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Q. The two strands of cccDNA can be easily separated without any breakage of bonds.

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Q. Passing of one strand through the other in order to get separated is known as _______

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Q. Linking number is always a ___________

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Q. Linking number is the sum of which geometric components?

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Q. 3 – dimension structure of cccDNA is ___________

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Q. Plectonomic writhe is __________

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Q. Interwound writhe and spiral writhe are topologically different.

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Q. Twist and writhe are interconvertible.

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Q. What is the relation between linking number (Lk), writing number (Wr) and twist number (Tw)?

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