1
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Which of the following enzymes are used to join bits of DNA ?
A
Endonuclease
B
DNA polymerase
C
Ligase
D
Primase
2
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Jacob and Monad studied lactose metabolism in E.Coli and proposed operon concept. Operon concept applicable for :
A
All prokaryotes and all eukaryotes
B
All prokaryotes and some protozoanes
C
All prokaryotes
D
All prokaryotes and some eukaryotes
3
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
In E. Coli, during lactose metabolism repressor binds to : -
A
Promoter gene
B
Operator gene
C
Structural gene
D
Regulator gene
4
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Change in sequence of nucleotide in DNA is called as -
A
Recombination
B
Mutation
C
Mutagen
D
Translation

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