Q. Which of following techniques is used by Crick to study protein structure?

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Q. How many DNA repair enzymes have been found so far in humans?

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Q. Which of following is an example of a purine base?

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Q. What is string of DNA between two nucleosomes called?

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Q. Amount of which of following bases is equal to amount Thymine?

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Q. Xeroderma pigmentosum is caused by a defect in which of following enzymes?

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Q. Which of following enzymes catalyzes synthesis of new DNA strand?

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Q. What is process of tagging each chromosome with molecular tags so each chromosome has a different color, called?

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Q. For their experiments, Hershey and Chase tagged phage DNA with which of following radioactive isotopes?

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Q. In making if 30nm fiber of DNA, which of following histones are involved?

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Q. Histones are made up of approximately how many amino acids?

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Q. Which of following binds to and stabilizes single-stranded DNA until it is used as a template?

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Q. What is initial error rate of DNA replication?

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Q. What is rate of elongation of DNA in bacteria?

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Q. Which of following bases binds with adenine?

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Q. Interphase chromatin visible as irregular clumps is called

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Q. Which of following is infected by T2 phage?

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Q. Less compacted and more disperse form of DNA is called

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Q. Which of following extends out at end of nucleosome?

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Q. What ratio of histones is positively charged?

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