Which of the following is true for K strain for E. coli? – McqOptions

MCQOPTIONS

1.	Which of the following is true for K strain for E. coli?
A.	It contains restriction-modification system which is encoded by hsDMRS locus
B.	hsDR encodes for endonuclease which is responsible for cleaving the DNA sequence containing –AACGCNNTGC-
C.	Cleavage is carried out when the second A is non methylated
D.	hsDR mutation can be used for cleavage of incoming unprotected DNA
Answer» B. hsDR encodes for endonuclease which is responsible for cleaving the DNA sequence containing –AACGCNNTGC-

Discussion

No Comment Found

Related MCQs

What is the disadvantage of amplification of using PCR over natural cloning?
What happens if insert DNA is cut with two different restriction enzymes at the ends?
ccdB gene is used at times. Choose the correct statement with respect to this gene.
TA cloning is a method used for cloning of PCR products. Which of the statement is correct with respect to it?
When inserting a DNA fragment, it is possible to have two orientations. If the orientation is controlled, this cloning is referred to as __________
Methylation dependent restriction system (MDRS) are included in which class of restriction enzymes?
How many recombination systems are present in E. coli?
Endogenous DNA-degrading system is not essential in determining transformation efficiency.
The cell in which the recombinant molecules are propagated is termed as __________
Which of the following is true for K strain for E. coli?