Q. A permanent change of the nucleotide sequence of the genome is called

View solution

Q. Carcinogens are always

View solution

Q. Mutagens can be

View solution

Q. A substance that induces unregulated growth processes in cells or tissues leading to cancer are called as

View solution

Q. Self cleavage reaction can take place in?

View solution

Q. Choose the correct statement for self cleavage reaction.

View solution

Q. Hepatitis delta virus capable of self cleavage.

View solution

Q. RNA molecule with catalytic activity is termed as________

View solution

Q. Excision of DNA flanked by loxP sequences is also known as _________

View solution

Q. The ability to control the expression of cre allows controlling what?

View solution

Q. How much effect is there on the surrounding genes by the loxP sequence which is left after recombination has taken place?

View solution

Q. Cre can be introduced by crossing it with a strain containing the gene or by infection with virus containing it.

View solution

Q. Choose the incorrect statement for cre-lox excision.

View solution

Q. The ________ protein of bacteriophage P1 mediates site-specific recombination at a 34 bp sequence, loxP.

View solution

Q. Introduction into host organism can also be done by using a DNA construct, which when transcribed, generates an RNA which is _________

View solution

Q. siRNAs can either be introduced directly or by microinjection.

View solution

Q. DNA _________ is also a method for gene silencing through short RNAs.

View solution

Q. The process of RNA inactivation by siRNAs is termed as ___________

View solution

Q. Double stranded RNA is cleaved by a nuclease called as Dicer and small fragments are generated known as ___________

View solution

Q. In some organisms, presence of double stranded RNAs leads to breakdown of corresponding single stranded mRNA.

View solution