Q. Choose the incorrect statement with respect to rolling circle replication.

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Q. Insertion vectors are a type of vectors. Choose the correct statement for this type of vector.

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Q. Choose the correct statement for lambda gt10.

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Q. The presence of insert leads to inactivation of which gene?

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Q. A portion of phage is removed and in place of it, the DNA of interest is inserted. This type of vector is called as __________

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Q. Choose the incorrect statement for the central portion of the lambda genome.

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Q. The fragment inserted in the place of the central portion of the genome is known as __________

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Q. Choose incorrect statement for the substitution vector EMBL4.

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Q. Is it necessary to stop the relegation of the central portion before the stiffer fragment is ligated.

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Q. What happens if chain-termination mutation is in the S gene?

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Q. Which of the following is used for blocking the phage-encoded recombination?

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Q. Which of the following is not a consequence of deletion in the b region?

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Q. If a single system is used for packaging, there are increased chances of endogenous material being packed.

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Q. The cI function can be scanned in order to check whether the recombinants are present or not. Which of the following doesn’t hold true?

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Q. What is the function of red and gam gene products?

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Q. The red and gam genes are removed in which type of phages?

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Q. Phages which are designated as spi-are __________

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Q. Choose the correct statement for RecBCD nuclease.

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Q. The essential sites for recombination are known as __________

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Q. The replication rate remains the same for all the phages irrespective of what sequence is there in the phage.

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