Ion exchange chromatography is the method of choice for the separation of-

TLS Online TPP Program

#Question id: 13197

#Unit 1. Molecules and their Interaction Relevant to Biology

In helical nature of DNA is its periodicity each base pair is displaced (twisted) from the previous one by

TLS Online TPP Program

#Question id: 14079

#Unit 1. Molecules and their Interaction Relevant to Biology

Which DNA is favored in many solutions that are relatively devoid of water with the base pair per turn of

A. B DNA

B. A DNA

C. Z DNA

D. 10 bp per turn

E. 11 bp per turn

F. 12 bp per turn

Which of the following combination is correct?

TLS Online TPP Program

#Question id: 14080

#Unit 1. Molecules and their Interaction Relevant to Biology

 Hairpin and cruciform structures are formed when the DNA sequence have

TLS Online TPP Program

#Question id: 14081

#Unit 1. Molecules and their Interaction Relevant to Biology

pKa of cytosine normally has a value of 4.2 but in hoogsteen triple base pairing this value changes to 

TLS Online TPP Program

#Question id: 14082

#Unit 1. Molecules and their Interaction Relevant to Biology

Conditions where hoogesteen triple base pairing occurs are

A. Presence of alternate GC repeats

B. Presence of only pyrimidines in a strand

C. Presence of only Purines in a strand

D. Acidic pH

E. Basic pH

Choose the option containing correct statement in it

TLS Online TPP Program

#Question id: 14083

#Unit 1. Molecules and their Interaction Relevant to Biology

What components are required for stabilizing DNA double helix