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TLS Online TPP Program

#Question id: 20332

What is LuxR and LuxI?

#Unit 4. Cell Communication and Cell Signaling
  1. AHL molecules are synthesized by the LuxI family synthases and detected by the corresponding LuxR-type receptors.
  2. AHL molecules are synthesized by the LuxR family synthases and detected by the corresponding LuxI-type receptors.
  3. One of the targets luxI is luxR, specifies the synthetase for AHL creates positive feedback loop.
  4. One of the targets luxR is luxI, specifies the synthetase for AHL creates negative feedback loop.
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TLS Online TPP Program

#Question id: 10219

#Unit 6. System Physiology – Plant

The PSII reaction center leads to easily  inactivation and damage by photoinhibition process while Photosystem I Is Protected from Active Oxygen Species, Why PSI protect from active oxygen species in compare to PSII
TLS Online TPP Program

#Question id: 5450

#Unit 8. Inheritance Biology

Which of these definitions of heritability is most correct?
TLS Online TPP Program

#Question id: 4576

#Unit 11. Evolution and Behavior

Which of the following pairs of structures is least likely to represent homology?
TLS Online TPP Program

#Question id: 1561

#Unit 4. Cell Communication and Cell Signaling

The cells and signaling molecules involved in the initial stages of the inflammatory response are ?
TLS Online TPP Program

#Question id: 16321

#Unit 7. System Physiology – Animal

Which of the following statements correct regarding General Adaptation Syndrome (GAS)?