Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 55427
TLS Online TPP Program

#Question id: 15363

Epithelial-to-mesenchymal transition (EMT) is thought to play a crucial role during the process of metastasis in some cancers, Snail and Twist are the two transcription factors, function as EXCEPT

#Unit 4. Cell Communication and Cell Signaling
  1. reduce the expression of genes involved in cell migration
  2. trigger down-regulation of cell-adhesion factors
  3. increase the production of proteases
  4. Snail-G9a-Dnmts complex binds to the fructose-1,6-biphosphatase(FBP1) promoter and silences FBP1 expression in basal-like breast cancer
More Questions
TLS Online TPP Program

#Question id: 824

#Unit 1. Molecules and their Interaction Relevant to Biology

why comparisons of the X-ray structures of hyperthermophilic enzymes with their mesophilic counterparts have failed to reveal any striking differences between them?
TLS Online TPP Program

#Question id: 17082

#Unit 12. Applied Biology

What is an Aminopterin
TLS Online TPP Program

#Question id: 12245

#Unit 10. Ecological Principles

The graph above illustrates a simplified description of the effect of disturbance on species diversity. Which of the following best explains the graph?
TLS Online TPP Program

#Question id: 5040

#Unit 5. Developmental Biology

 The establishment of the anterior-posterior or dorsal-ventral body axes is called:
TLS Online TPP Program

#Question id: 11283

#Unit 10. Ecological Principles

Herbivore ingests plant material with 1000 k j energy form producer and assimilated only 200 k J energy in their blood stream; additionally herbivore invests 120 k j energy in their maintenance. What is production efficiency of that herbivore?