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TLS Online TPP Program

#Question id: 14835

There are three main ways in which inducing signals may be passed between cells EXCEPT

#Unit 5. Developmental Biology
  1. the signal is transmitted through the extracellular space, usually by means of a secreted diffusible molecule
  2. cells may interact directly with each other by means of molecules located on their surface.
  3. the signal may pass from cell to cell directly through gap junctions
  4. If the signal involves small molecules it may pass indirectly from cell to cell through gap junctions in the plasma membrane
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TLS Online TPP Program

#Question id: 18678

#Unit 13. Methods in Biology

which of the following technique can be analysed of PCR products from HIV-I allowed the identification of between 200 000 and 500 000 viral particles per cubic centimetre of serum.
TLS Online TPP Program

#Question id: 28649

#Unit 2. Cellular Organization

Geminin a small protein, what is the contribution of geminin in cell cycle?
TLS Online TPP Program

#Question id: 4088

#Unit 3. Fundamental Processes

The 28S, 18S, and 5.8S rRNAs are

a. transcribed by RNA polymerase II.

b. encoded by a single transcription unit.

c. arranged in tandem arrays. 

d. processed in the cytoplasm.
TLS Online TPP Program

#Question id: 4836

#Unit 8. Inheritance Biology

If gene frequency between genes a and c is 2%; b and c is 13%; b and d 4%; a and b 15%; c and d 17 and a and d19%. The sequence of genes in a chromosome is
TLS Online TPP Program

#Question id: 4906

#Unit 8. Inheritance Biology

Shell coiling is a maternal effect phenotype controlled by S gene where S is dominant dextral phenotype over s sinistral phenotype. Dextral coiling Ss male snail was cross with sinistral coiling ss female snail, The phenotype of progeny is