Practice Questions

TLS Online TPP Program

#Question id: 1099

How does the toxin of Vibrio cholerae cause profuse diarrhea?

#4. Cell Communication and Cell Signaling

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: 17075

#12. Applied Biology

What are the disadvantages of using polyclonal antibodies?

TLS Online TPP Program

#Question id: 17077

#12. Applied Biology

Cells lacking Thymidine kinase if introduced into HAT medium which pathways will continue for nucleotide synthesis

TLS Online TPP Program

#Question id: 17078

#12. Applied Biology

In HGPRT negative cells which pathway is blocked of nucleotide synthesis

TLS Online TPP Program

#Question id: 17079

#12. Applied Biology

The major disadvantages of using serum in the culture medium could be

TLS Online TPP Program

#Question id: 17080

#12. Applied Biology

Hypoxanthine and thymidine are required for running which pathway

TLS Online TPP Program

#Question id: 17081

#12. Applied Biology

What type of drug is Aminopterin and what it is used for