If the twisting of the DNA is in the same direction as that of the double helix, that is the helix is twisted up before closure, this form of super coiling is known as;

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#Question id: 18914

#Part-A Aptitude & General Biotechnology

In PBR322, If a DNA with SalI and BamHI will be selected on the basis of

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#Question id: 14664

#Part-B Specialized Branches in Biotechnology

Identify the file format given below

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#Question id: 19791

#Part-A Aptitude & General Biotechnology

Which of the following statements about polymerase chain reaction is correct?

a) PCR denaturation temperature calculated by using Y = X (1+E)n

b) Size of the primer negatively affects the efficiency of PCR

c) Standard PCR doesn’t efficiently amplify sequence much longer than about 5kb.

d) Primer annealing of PCR at 550C for 1.5 min.

e) Time taken for each cycle of PCR considerably longer than 3 min.

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#Question id: 12497

#Part-A Aptitude & General Biotechnology

In this pedigree A and B represent alleles at a marker locus closely linked to the disease locus. Affected individuals are shown as shaded. The disease status in III 1 is unknown. Which of the following is correct?

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#Question id: 14524

#Part-B Specialized Branches in Biotechnology