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Molecular Basis Of Inheritance

Question

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Differentiate induction and repression.

Solution

Differences between induction and repress

Induction

Repression

1. It is the switching on of an operon which normally remains turned off .

2. Regulator gene produces aporepressor that cannot block operator

1. It is turning off of an operon which normally remains switched on .

2. In this case, regulator gene produces a repressor that blocks the operator gene.

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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