1
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
Change Language
The figure below shows three steps (A, B, C) of Polymerase Chain Reaction (PCR). Select the option giving correct identification together with what it represents ?
AIPMT 2012 Mains Biology - Biotechnology: Principles and Processes Question 77 English
A
C - Extension in the presence of heat stable DNA polymerase
B
B - Denaturation at a temperature of about 98ºC separating the two DNA strands
C
A - Denaturation at a temperature of about 50ºC
D
A - Annealing with two sets of primers
2
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
Change Language
In genetic engineering, the antibiotics are used
A
As sequences from where replication starts
B
As selectable markers
C
To keep the cultures free of infection
D
To select healthy vectors
3
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following represents a palindromic sequence in DNA ?
A
5'-GAATTC-3'
3'-CTTAAG-5'
B
5'-GATACC-3'
3'-CCTAAG-5'
C
5'-CCAATG-3'
3'-GAATCC-5'
D
5'-CATTAG-3'
3'-GATAAC-5'
4
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Change Language
For transformation, micro - particles coated with DNA to be bombarded with gene are made up of
A
Gold or Tungsten
B
Platinum or zinc
C
Silver or platinum
D
Silicon or platinum
NEET Subjects
EXAM MAP