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Molecular Basis Of Inheritance

Question

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DNA is specific because it has

number of nucleotides

specific nature of phosphate and sugar

arrangement of protein in DNA

specific nature of purine and pyrimidines

Solution

B.

specific nature of phosphate and sugar

DNA is specific because of specific nature of nitrogenous bases like purines (cytosine, thymine and uracil).

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 ?

List three components of transcription unit.

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