1
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
The reason for double helical structure of $$DNA$$ is operation of
A
dipole-dipole interaction
B
hydrogen bonding
C
electrostatic attractions
D
van der Waals' forces
2
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
The functional group, which is found in amino acid is
A
-COOH group
B
-NH2 group
C
-CH3 group
D
both (a) and (b)
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
RNA is different from DNA because RNA contains
A
ribose sugar and thymine
B
ribose sugar and uracil
C
deoxyribose sugar and thymine
D
deoxyribose sugar and uracil
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