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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: 18659

#Unit 13. Methods in Biology

Which of the following is true about for the fundamental of IEF
TLS Online TPP Program

#Question id: 19087

#Unit 6. System Physiology – Plant

Fusicoccum amygdali produces the toxin fusicoccin, which constitutively activates the plasma membrane ____
TLS Online TPP Program

#Question id: 2740

#Unit 2. Cellular Organization

Escherichia coli use antisense regulation to switch the expression of outer membrane proteins. Antisense _____________.
TLS Online TPP Program

#Question id: 4353

#Unit 3. Fundamental Processes

The cAMP receptor protein (CRP) is said to be responsible for positive regulation of the lac operon because __.
TLS Online TPP Program

#Question id: 28431

#Unit 5. Developmental Biology

Which of the following cells direct the movement of the primitive streak in avian development?