1
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Antiparallel strands of a DNA molecule means that-
A
The phosphate groups at the start of two DNA strands are in opposite position (pole)
B
One strand turns anti-clockwise
C
One strand turns clockwise
D
The phosphate groups of two DNA stands, at their ends, share the same position
2
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Which antibiotic inhibits interaction between tRNA and mRNA during bacterial protein synthesis ?
A
Neomycin
B
Erythromycin
C
Tetracycline
D
Streptomycin
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
During transcription holoenzyme RNA polymerase binds to a DNA sequence and the DNA assumes a saddle like structure at the point. What is the sequence called ?
A
TATA box
B
GGTT box
C
CAAT box
D
AAAT box
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Which one of the following makes use of RNA as a template to synthesize DNA -
A
Reverse transcriptase
B
DNA dependant RNA polymerase
C
RNA polymerase
D
DNA polymerase
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