Question
Differentiate between DNA and RNA

Answer

DNA RNA
1. Sugar moiety is deoxy ribose 1. Sugar moiety is ribose
2. Uracil is absent2. Thymine is usually absent
3. Double stranded molecules both run in opposite directions3. Single stranded molecules
4. Sum of purine and pyrimidine bases are equal G+C = A+T4. Sum of purine and pyrimidine bases are not equal G + C = A +T
5. Bases are not modified5. Bases are modified
6. Resistant to alkali hydrolysis6. Highly susecptible to alkali hydrolysis
7. No calalytic activity7. Some are catalytically active
8. Mostly DNA is present in nucleus and also in mitochondria8. Present in nucleolus and cytoplasm

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