Q. Electron cryomicroscopy is used mainly for _______________

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Q. Which of the following is used to lyse the nucleus and release the DNA?

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Q. In purification steps of nucleic-acids, phenol is used for _______________________

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Q. Which of the following is used to precipitate the nucleic acids?

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Q. Phenol is an active protein denaturant.

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Q. Which type of gel is used for large nucleic acids?

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Q. Which technique is used to separate nucleic acids of size greater than 25 kb?

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Q. One Svedberg unit is equivalent to 10¯¹³ ______________

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Q. In rate-zonal sedimentation, the nucleic acids are separated base on __________________

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Q. Equilibrium centrifugation is also known as ___________________ centrifugation.

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Q. Which technique can be used to separate ¹⁵N and ¹⁴N?

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Q. Nucleic acid hybridization is used to identify ________________________

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Q. The procedure by which DNA gel is transferred to a membrane is termed as ___________________

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Q. In which of the following techniques, the DNA is labeled using complementary sequences and then analyzed using autoradiography?

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Q. Which of the following molecules can be analyzed using a northern blot?

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Q. Which of the following is a commonly used label in blotting techniques?

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Q. Who developed the chemical techniques to synthesize polynucleotides?

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Q. Which of the following enzymes in bacteria are responsible for restricting the growth of viruses?

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Q. EcoR1 exhibits a two-fold rotational symmetry.

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Q. Which enzyme is used to join together two different types of DNA molecules?

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