Reset Double-helical DNA Sugar-phosphate backbone (RNA) Base uracil in Phosphate group Single-stranded RNA Deoxyribose Hydrogen bonds place of thymine Complementary base pairing Sugar-phosphate backbone (DNA) N- GN-H NC CH,O H N. N-H 0 0-P 0 0-P-O H. CH N-H CH, CH, H 0-P 0 (b) (a) O-P-O
|
S.No. |
DNA |
RNA |
|
1 |
Deoxyribonucleic Acid.
|
Ribonucleic Acid. |
|
2 |
Generally double stranded and rarely single stranded.
|
Generally single stranded and rarely double stranded. |
|
3 |
It is the usual genetic material. |
It is genetic material for certain viruses only.
|
|
4 |
Pentose sugar D-2-deoxyribose is present. |
Pentose sugar D-ribose is present. |
|
5 |
Nitrogenous bases present are PURINE- Adenine, Guanine PYRIMIDINE- Cytosine, Thymine. |
Nitrogenous bases present are PURINE- Adenine, Guanine PYRIMIDINE- Cytosine, Uracil. |
|
6 |
Found mainly in the chromatin of nucleus. |
90% found in cytoplasm and little in nucleus.
|
|
7 |
It is alkali-stable. |
It is alkali-labile. |
|
8 |
Stains green with pyronin dye. |
Stains red with pyronin dye. |
|
9 |
Base pairing A with T and G with C. |
Base pairing A with U and G with C. |
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