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Molecular Basis Of Inheritance

Question

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The number of hydrogen bonds between adenine and thymine in a DNA molecule is :

two

three

four

eight

Solution

A.

two

There are two hydrogen bonds present between Adenine(A) and Thymine (T) whereas there are three hydrogen bonds between Cytosine (C) and Guanine (G).

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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