Q. Inverted repeat have a number of biological functions. Which of the following is a biological function of an inverted repeat?

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Q. Most commonly known hairpin structures are found in _____________

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Q. Which of the following does not promote stability in stem-loop structure?

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Q. What is the minimum number of bases required for loop stability?

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Q. Which of the following does not contain a stem-loop structure?

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Q. Which of the following cannot be used for the separation of nucleic acids?

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Q. The polymerization of the gel used in PAGE occurs between polyacrylamide and ____________

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Q. If DNA is digested by endonucleases in four sites giving rise to fragments of which two are equal in length how many bands would be seen after electrophoresis?

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Q. The fluorescent dye such Ethidium is used for visualizing DNA. How do ethidium binds to DNA?

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Q. Pulse field gel electrophoresis separates DNA molecules of size ___________

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Q. Which of the following will migrate faster?( The condition is the molecular weight of the following is equal.)

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Q. Agarose can be extracted from which of the following?

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Q. Electrophoresis cannot be used to separate _______________

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Q. Which of the following is not a character of polyacrylamide gel?

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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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