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Molecular Basis of Inheritance — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYMolecular Basis of Inheritance3 Marks
Question
State any two structural differences and one functional difference between DNA and rRNA.
✓

Answer

S. No
DNA
rRNA
Structural:
(i)
It is a double-stranded structure.
It is a single-stranded structure.
(ii)
It contains nitrogen bases, A, T, G, C.
It contains nitrogen base, A, U, G, C.
(iii)
It has deoxyribose sugar.
It has ribose sugar.
Functional:
 
It determines sequence of amino acid in a polypeptide by transcription and passes information from one generation to another.
It is the site of translation.

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