A single letter is selected at random from the word “PROBABILITY”. The probability that it is a vowel is

TLS Online TPP Program

#Question id: 13196

#Unit 1. Structure and Function of Biomolecules

 In The Mica Experiment Dnase I enzyme cleaves 

TLS Online TPP Program

#Question id: 13197

#Unit 1. Structure and Function of Biomolecules

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. Structure and Function of Biomolecules

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. Structure and Function of Biomolecules

 Hairpin and cruciform structures are formed when the DNA sequence have

TLS Online TPP Program

#Question id: 14081

#Unit 1. Structure and Function of Biomolecules

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. Structure and Function of Biomolecules

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