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Molecular Basis of Inheritance — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYMolecular Basis of Inheritance3 Marks
Question
Distinguish between DNA and RNA.
✓

Answer

Difference between DNA and RNA:
DNARNA
1. The sugar present in DNA molecule is deoxyribose.1. The sugar present in RNA molecule is ribose.
2. DNA is double stranded molecule.2. RNA is single stranded molecule.
3. The four bases found in DNA are - adenine , guanine , cytosine and thymine .3. In RNA , in place of thymine another nitrogenous base called uracil is present.

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