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TLS Online TPP Program

#Question id: 20319

What is the purpose of quorum sensing?

#Unit 4. Cell Communication and Cell Signaling
  1. Enables bacteria to turn on genes synchronously at density independent manner in the population.
  2. Enables bacteria to turn on genes synchronously in response to increases in the density of cells in the population.
  3. Enables bacteria to turn off genes synchronously in response to increases in the density of cells in the population.
  4. Enables bacteria to turn on genes synchronously in response to decreases in the density of cells in the population.
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TLS Online TPP Program

#Question id: 12270

#Unit 7. System Physiology – Animal

Which of the following hormones is not stored in its endocrine-producing gland?
TLS Online TPP Program

#Question id: 1501

#Unit 4. Cell Communication and Cell Signaling

When a culture of rodent cells is infected with a DNA tumor virus whose gene products bind to p53 and RB, all the cells take on characteristics of malignancy. If the viral gene coding the p53-binding protein is mutated, but that coding for the RB-binding protein is not mutated, how will infected cells respond?
TLS Online TPP Program

#Question id: 28911

#Unit 4. Cell Communication and Cell Signaling

JNK and ROCK are responsible for___ 
TLS Online TPP Program

#Question id: 5367

#Unit 8. Inheritance Biology

Following pedigree showing X link recessive disorder. Which of the following confirm a carrier female in a family?
TLS Online TPP Program

#Question id: 5624

#Unit 5. Developmental Biology

The force for sperm propulsion is provided by a protein attached to the microtubules. The protein is