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TLS Online TPP Program

#Question id: 1422

In cells that have been signaled to die via TNF-a receptor signaling but lack caspase-8 activity:

#Unit 4. Cell Communication and Cell Signaling

  1. apoptosis occurs via the other caspases.

  2. necroptosis occurs downstream of RIP protein activation of MLKL.

  3. the cell remains alive and viable.

  4. recruitment of TRADD

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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: 9581

#Unit 6. System Physiology – Plant

These four Photosystem II, Cytochrome b6 f, Photosystem I and ATP synthase integral membrane complexes are vectorially oriented in the thylakoid membrane to function as follows, find out the incorrect statements;
TLS Online TPP Program

#Question id: 1060

#Unit 4. Cell Communication and Cell Signaling

If the infecting phage lacks some critical pieces of DNA necessary for replication, it is called
TLS Online TPP Program

#Question id: 11381

#Unit 10. Ecological Principles

Which of the following is decreasing order of NPP per unit area of different ecosystem?
TLS Online TPP Program

#Question id: 15856

#Unit 5. Developmental Biology

If the Sxl gene is non-functional in a cell with two X chromosomes, which of the following will not work?