1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
DNA precipitation out of a mixture of bimolecules can be achieved by treatment with :
A
Methanol at room temperature
B
Chilled chloroform
C
Isopropanol
D
Chilled ethanol
2
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Following statements describe the characteristics of the enzyme Restriction Endonuclease. Identify the incorrect statement.
A
The enzyme cuts the sugar-phosphate backbone at specific sites on each strand
B
The enzyme recognizes a specific palindromic nucleotide sequence in the DNA
C
The enzyme cuts DNA molecule at identified position within the DNA
D
The enzyme binds DNA at specific sites and cuts only one of the two strands
3
NEET 2018
MCQ (Single Correct Answer)
+4
-1
The correct order of steps in Polymerase Chain Reaction (PCR) is
A
extension, denaturation, annealing
B
annealing, extension, denaturation
C
denaturation, extension, annealing
D
denaturation, annealing, extension
4
NEET 2017
MCQ (Single Correct Answer)
+4
-1
The DNA fragments separated on an agarose gel can be visualised after staining with
A
Bromophenol blue
B
Aniline blue
C
Ethidium bromide
D
Acetocarmine
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