Practice Questions

TLS Online TPP Program

#Question id: 7310

Which statement best describes the mechanism for circadian rhythm?

#Unit 5. Developmental Biology

There is an alternation between enhanced and inhibited expression of clock genes.
Clock genes inhibit gene expression of positive elements.
Clock genes inhibit expression of negative elements.
The time-keeping mechanism depends only on the breakdown of negative elements.

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TLS Online TPP Program

#Question id: 17074

#Unit 12. Applied Biology

What are some disadvantages of monoclonal antibody production?

TLS Online TPP Program

#Question id: 17075

#Unit 12. Applied Biology

What are the disadvantages of using polyclonal antibodies?

TLS Online TPP Program

#Question id: 17077

#Unit 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

#Unit 12. Applied Biology

In HGPRT negative cells which pathway is blocked of nucleotide synthesis

TLS Online TPP Program

#Question id: 17079

#Unit 12. Applied Biology

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

TLS Online TPP Program

#Question id: 17080

#Unit 12. Applied Biology

Hypoxanthine and thymidine are required for running which pathway