MEDIUM
12th CBSE
IMPORTANT
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What is Chargaff’s rule?

Important Questions on Molecular Basis of Inheritance

MEDIUM
12th CBSE
IMPORTANT

Name the components ‘a’ and ‘b’ in the nucleotide with a purine, given below.

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MEDIUM
12th CBSE
IMPORTANT

Given below is a part of the template strand of a structural gene:

TAC CAT TAG GAT    

Write its transcribed mRNA strand with its polarity.

MEDIUM
12th CBSE
IMPORTANT

Given below is a part of the template strand of a structural gene:

TAC CAT TAG GAT    
Explain the mechanism involved in the initiation of transcription of this strand.
 

HARD
12th CBSE
IMPORTANT
Draw a neat labelled sketch of a replicating fork of DNA.
MEDIUM
12th CBSE
IMPORTANT
What is the function of histones in DNA packaging? What is the net electric charge on histones?
MEDIUM
12th CBSE
IMPORTANT
What is Central dogma? Who proposed it?
HARD
12th CBSE
IMPORTANT
In a series of experiments with Streptococcus and mice, F. Griffith concluded that R-strain bacteria had been transformed. Explain
MEDIUM
12th CBSE
IMPORTANT
Differentiate between exons and introns.