Practice Questions

TLS Online TPP Program

#Question id: 11598

How the GA3 is differ from GA1______

#Unit 6. System Physiology – Plant

having three bond, is relatively, more in higher plants it is not able to substitute for GA1
GA3 differ from GA1 only in having one double bond, is relatively rare in higher plants but is able to substitute for GA1 in most
GA1 differ from GA3 in having three double bond, is relatively more in higher plants
one double bond, is relatively rare in higher plants but is able to substitute for GA1

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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.

TLS Online TPP Program

#Question id: 13035

#Unit 13. Methods in Biology

Each band on the gel represents a different protein (or protein subunit); _____ proteins move through the gel more _____ than_____ proteins and therefore are found nearer the _____ of the gel.