Which of the following is a DNA modifying enzyme?
A) S1 Nuclease
B) Cellulase
C) Protease
D) RNAse
DNA ligase joins two DNA molecules by formation of which bond?
A) Peptide
B) Disulphide
C) Phosphodiester
D) Hydrogen bond
Recognition sequence of HindIII is?
A) 5' GAATTC 3' / 3' CTTAAG 5'
B) 5' AGCT 3' / 3' TCGA 5'
C) 5' AAGCTT 3' / 3' TTCGAA 5'
D) 5' TCGA 3' / 3' AGCT 5'
Widely used restriction endonuclease for gene cloning is?
A) Type-II
B) Type-I
C) Type-III
D) Type-IV
Hind III belongs to which category of Restriction enzyme?
A) Type-II
B) Type-I
C) Type-III
D) Type-IV
EcoRI is a ………… restriction enzyme.
A) Type-II
B) Type-I
C) Type-III
D) Type-IV
The enzyme which degrades nucleic acid is?
A) Ligase
B) Nucleases
C) Kinase
D) S1 Nuclease
The enzyme used to synthesize cDNA by using mRNA as template is?
A) Transcriptase
B) Reverse transcriptase
C) DNA polymerase
D) RNA polymerase
The complementary DNA obtained from RNA molecules is known as?
A) cDNA
B) tDNA
C) rDNA
D) RNA
The DNA is visualized after electrophoresis under U.V radiation due to?
A) Ethidium bromide
B) Bromophenol blue
C) Tris HCL
D) Chloramphenicol

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