Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 8976
TLS Online TPP Program

#Question id: 12194

 Which of the following are the correct statements of inhibitors of auxin?

#Unit 6. System Physiology – Plant
  1. Auxin transport inhibitors (ATIs) not found in plants are Quercetin (flavonol) and Genistein
  2. Naturally occurring auxin transport inhibitors are NPA, TIBA  and  1-NOA 
  3. Auxin transport inhibitors block secretion of the auxin efflux carrier PIN1 to the plasma membrane
  4. A family of putative auxin  influx carriers known as PIN proteins
More Questions
TLS Online TPP Program

#Question id: 20327

#Unit 4. Cell Communication and Cell Signaling

What happens when Vibrio fischeri are at a high density on squid?
TLS Online TPP Program

#Question id: 20328

#Unit 4. Cell Communication and Cell Signaling

Acyl-homomserine lactones (AHLs) are auto-inducers used by Gram-negative bacteria to communicate. Which statements are about that Quorum sensing signaling in bacteria. 
a. transcription is activated at low cell density
b. transcription is not activated at low cell density
c. transcription is activated at high cell density
d. transcription is not activated at high cell density
e. Upon reaching a threshold concentration, AHL can bind to its receptor LuxR.
f. Upon reaching a threshold concentration, AHL can bind to Lux box.
TLS Online TPP Program

#Question id: 20329

#Unit 4. Cell Communication and Cell Signaling

What are AHL molecules?
TLS Online TPP Program

#Question id: 20330

#Unit 4. Cell Communication and Cell Signaling

What does the LuxR gene do?
TLS Online TPP Program

#Question id: 20331

#Unit 4. Cell Communication and Cell Signaling

LuxR is analogous to certain eukaryotic regulatory proteins, such as
TLS Online TPP Program

#Question id: 20332

#Unit 4. Cell Communication and Cell Signaling

What is LuxR and LuxI?