Q. Which of following enzymes swivels and rejoins DNA to release tension created by replication?

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Q. How wide is chromatid?

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Q. In E Coli, replication of chromosomes starts at a particular site called

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Q. Which of following proposed double helix structure of DNA?

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Q. Changes in telomere with time are associated with which of following?

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Q. Which of following histones is not found in chromatin?

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Q. Which of following forms chromatin takes when cell enters metaphase stage?

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Q. Bases are stacked apart at how much distance?

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Q. How many DNA molecules are present in nucleus of a single human cell?

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Q. Which of following enzymes unwinds and separates DNA strands during replication?

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Q. Which of following structures of 30 nm fiber is present in 300 nm fiber?

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Q. Which of following enzymes synthesizes RNA primers?

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Q. If unwound, one DNA molecule would be how long?

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Q. How many primers, leading strand requires to elongate new strand?

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Q. Which of following bases binds with cytosine?

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Q. Which of following molecules make backbone of DNA molecule?

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Q. In which of following direction a new DNA molecule is elongated by polymerase?

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Q. In which of following is telomerase most active and hence telomeres are at maximum?

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Q. During interphase structure of chromatin is

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Q. The dogma classes into

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