1
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Polysome is formed by
A
several ribosomes attached to a single mRNA
B
many ribosomes attached to a strand of endoplasmic reticulum
C
a ribosome with several subunits
D
ribosomes attached to each other in a linear arrangement
2
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
One gene-one enzyme hypothesis was postulated by -
A
A.Garrod
B
Hershey and Chase
C
Beadle and Tatum
D
R. Franklin
3
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
One turn of the helix in a B-form DNA is approximately -
A
20 nm
B
3.4 nm
C
2 nm
D
0.34 nm
4
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
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