In many plant and animal communities that are found on islands, the number of species (S) changes with the area (A) of the island as follows: S = cAz, where 0 <z < 1 and c>0. Which of the following graphs best represents such a species-area relationship?

TLS Online TPP Program

#Question id: 13029

#Unit 13. Methods in Biology

Mutation at Vir E and Vir B can repectively cause :

TLS Online TPP Program

#Question id: 13030

#Unit 13. Methods in Biology

The mutation in Vir F will cause the interference in –

TLS Online TPP Program

#Question id: 13031

#Unit 13. Methods in Biology

Use of alkaline solution in southern blotting helps in :

TLS Online TPP Program

#Question id: 13032

#Unit 13. Methods in Biology

In SDS-PAGE, protein sample is first treated with detergent sodium dodecyl sulfate (SDS), in order to

TLS Online TPP Program

#Question id: 13033

#Unit 13. Methods in Biology

The sample is then fractionated by electrophoresis through a _______. As all the proteins now have an _______ to mass ratio, they are separated on the basis of their _____.

TLS Online TPP Program

#Question id: 13034

#Unit 13. Methods in Biology

Which the following statements is/are true about the stacking gel?

i. The stacking gel solution contains acrylamide.

ii. It is on the top of the separating gel.

iii. It is used to dilute the protein sample before it enters the main separating gel.

iv. It is into this gel that the wells are formed and the proteins loaded.