1
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
In the genetic code dictionary, how many codons are used to code for all the 20 essential amino acids : -
A
64
B
20
C
60
D
61
2
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
During translation initiation in prokaryotes, a GTP molecule is needed in : -
A
Association of 30S mRNA with formy-lmet-tRNA
B
Formation of formyl-met-tRNA
C
Association of 50S subunit of ribosome with initiation complex
D
Binding of 30S subunit of ribosome with mRNA
3
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Which of the following reunites the exon segments after RNA splicing ?
A
RNA polymerase
B
RNA proteases
C
RNA primase
D
RNA ligase
4
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
In a DNA percentage of thymine is 20% then what is the percentage of guanine : -
A
40%
B
20%
C
30%
D
60%
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