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Molecular Basis Of Inheritance

Question
CBSEENBI12003252
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What's the difference between RNA and DNA?

  • Base

  • Sugar

  • Sugar and base

  • Phosphate

Solution

C.

Sugar and base

DNA has deoxy ribose pentose sugar and four nitrogenous bases i.e. Adenine (A), Guanine (G), both are purines; Cytosine (C) and Thymine (T), both are pyrimidines. 

RNA has ribose pentose sugar and four nitrogenous bases as in DNA except Uracil (U) in place of Thymine (T).

Some More Questions From Molecular Basis of Inheritance Chapter

List the number of base pairs in :

(i) lambda bacteriophage

(ii) E.coli and

(iii) haploid content of human DNA.

Comment two chains of DNA have antiparallel polarity.

What is the difference between DNAs and DNAase ?

Which was first genetic material ?

Suggest one evidence to prove that RNA was first genetic material.

Why was RNA unstable ?

What made DNA more preferrable as genetic material ?

Process of replication is completed in how much time in E.coli ?

What is average rate of polymerization ?

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