1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Using imprints from a plate with complete medium and carrying bacterial colonies, you can select streptomycin resistant mutants and prove that such mutations do not originates as adaptation. These imprints need to be used -
A
On plates with minimal medium
B
Only on plates with streptomycin
C
Only on plates without streptomycin
D
On plates with and without streptomycin
2
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
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Telomerase is an enzyme which is a -
A
RNA
B
Repetitive DNA
C
Simple protein
D
Ribonucleoprotein
4
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
In a mutational event, when adenine is replaced by guanine, it is a case of -
A
Frameshift mutation
B
Transition
C
Transversion
D
Transcription

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