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Molecular Basis Of Inheritance

Question
CBSEENBI12047060
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Which one of the following correctly represents the manner of replication of DNA?

Solution

D.

DNA replication is the process by which DNA makes a copy of itself during cell division. It takes place discontinuously. This process consists of 4 main steps:

  1. Replication Fork formation
  2. Primer binding
  3. Elongation
  4. Termination

Okazaki fragments are short sequences of DNA nucleotides which are synthesized discontinuously. One strand may synthesize a continuous strand. Both new strands are synthesized in 5' →3' direction. Thus one strand is synthesized forwards and the other backwards.

Some More Questions From Molecular Basis of Inheritance Chapter

Name the genetic material for majority of organisms.

List the function of RNA.

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 ?

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