In addition to knowing the chemical structures of the nucleotides, Watson and Crick used ________ of Franklin and Wilkins and the chemical equivalencies of Chargaff in order to propose their model of DNA structure.

TLS Online TPP Program

#Question id: 12753

#SCPH01 Biochemistry

Property of CTAB to precipitate plant DNA is because of presence of --------- in the DNA?

TLS Online TPP Program

#Question id: 18636

#I Life Science/ Life Sciences Group – I-V

Number of rooted trees in a phylogeny of three sequences is –

TLS Online TPP Program

#Question id: 17085

#SCPH01 Biochemistry

Spontaneous cell fusion occurs at a very low rate. Enhanced fusion can be done by 

1. Sendai virus 

2. Polyethylene glycol

3. Ficol

4. Phenol red

Which of the above mentioned can be used for fusion experiments?

TLS Online TPP Program

#Question id: 4821

#SCPH28 | Zoology

What are frequency of recombination  if one cell carry out cross over every 50 cell undergoes meiosis ?

TLS Online TPP Program

#Question id: 824

#SCPH28 | Zoology

why comparisons of the X-ray structures of hyperthermophilic enzymes with their mesophilic counterparts have failed to reveal any striking differences between them?