Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 21584
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.
More Questions
TLS Online TPP Program

#Question id: 33277

#Unit 2. Cellular Organization

Which of the following kinesins are called chromokinesins, which are plus end–directed motors that associate with chromosome arms and push the attached chromosome away from the pole?
TLS Online TPP Program

#Question id: 7527

#General Aptitude

A train is running at a speed of 72 km/h . it crosses a platform whose length is half that of the train in 30 seconds. what is the length of the platform?
TLS Online TPP Program

#Question id: 4600

#Unit 11. Evolution and Behavior

Scientific theories ________.
TLS Online TPP Program

#Question id: 31104

#Unit 2. Cellular Organization

Which of the following toxin enhances nucleation by binding and stabilizing actin dimers and thereby lowering the critical concentration?
TLS Online TPP Program

#Question id: 28209

#Unit 5. Developmental Biology

 Morphogens can be___

a) intrinsic factor

b) transcription factors

c) paracrine factors

d) Endocrine factor