Q. Choose the incorrect statement for cro and Q proteins.

View solution

Q. Induction of lysogen takes place because of __________

View solution

Q. Which of the phage genes are responsible for phage excision?

View solution

Q. How many phases are there for replication of lambda DNA to take place?

View solution

Q. The phase generating additional circular DNA molecules in the first phase does it by __________

View solution

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

View solution

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

View solution

Q. Choose the correct statement for lambda gt10.

View solution

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

View solution

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 __________

View solution

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

View solution

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

View solution

Q. Choose incorrect statement for the substitution vector EMBL4.

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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?

View solution

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

View solution