Q. Choose the incorrect statement with respect to dam and dcm genes?

View solution

Q. How many recombination systems are present in E. coli?

View solution

Q. Disablement is also done in plasmids. Choose the correct statement.

View solution

Q. endA mutation is often induced in host molecules. Choose the correct statement.

View solution

Q. lacZΔM15 represents __________

View solution

Q. The correct statement with respect to lacIq is __________

View solution

Q. There are various methods to distinguish whether a colony contains a recombinant or not. One such method is __________

View solution

Q. At times it is observed that non-recombinant plasmids are more than that of recombinant plasmids. Choose the correct statement in regard to it.

View solution

Q. Alkaline Phosphatase is used at times and the vector is treated with it. Choose the incorrect statement.

View solution

Q. What is the correct time for carrying out the alkaline phosphatase treatment?

View solution

Q. ccdB gene is used at times. Choose the correct statement with respect to this gene.

View solution

Q. When inserting a DNA fragment, it is possible to have two orientations. If the orientation is controlled, this cloning is referred to as __________

View solution

Q. What happens if insert DNA is cut with two different restriction enzymes at the ends?

View solution

Q. What is the disadvantage of amplification of using PCR over natural cloning?

View solution

Q. TA cloning is a method used for cloning of PCR products. Which of the statement is correct with respect to it?

View solution

Q. Choose the incorrect statement in respect to topoisomerase I.

View solution

Q. Linkers are often used in cloning. Choose the incorrect statement for linkers.

View solution

Q. There is no effect if the insert itself contains the restriction site.

View solution

Q. For cloning, DNA samples are taken from

View solution

Q. A small circular DNA present in bacterial cells are called as

View solution