Practice Questions

TLS Online TPP Program

#Question id: 1099

How does the toxin of Vibrio cholerae cause profuse diarrhea?

#SCPH28 | Zoology

It modifies a G protein involved in regulating salt and water secretion.
It modifies adenylyl cyclase and triggers excess formation of cAMP.
It signals IP3 to act as a second messenger for the release of calcium.
It modifies a ligand-gated ion channel.

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TLS Online TPP Program

#Question id: 18716

#SCPH01 Biochemistry

Function of B-mercaptoethanol in SDS-PAGE is

TLS Online TPP Program

#Question id: 2610

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

Binding of RNA polymerase over promoter synthesizes

TLS Online TPP Program

#Question id: 13052

#SCPH28 | Zoology

What would be the effect on the PCR reaction if any of the following circumstances arose: 1) there are no primers in the reaction, 2) there are no dNTPs in the reaction, 3) there is no Taq polymerase in the reaction?

TLS Online TPP Program

#Question id: 9567

#SCPH06 I Botany

Which part of the electromagnetic spectrum is the photosynthetically active region?

TLS Online TPP Program

#Question id: 28027

#Research Methodology

Which technique is generally followed when the population is finite?