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Molecular Basis Of Inheritance

Question

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The two polypeptides of human insulin are linked together by

phosphodiester bonds

covalent bonds

disulphide bridges

hydrogen bonds

Solution

C.

disulphide bridges

The insulin chains are held together by disulphide bridges.

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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