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TLS Online TPP Program

#Question id: 31020

At equilibrium, the rate of formation of the receptor-ligand complex, is equal to the rate of its dissociation, thus at equilibrium:

#Unit 4. Cell Communication and Cell Signaling
  1. [R][L] Kon = [R*L] Koff
  2. [R*L] Kon = [R*L] Koff
  3. [R][L] Koff = [R*L] Kon
  4. [R][L] Kon =1/ [R*L] Koff
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TLS Online TPP Program

#Question id: 31213

#Unit 4. Cell Communication and Cell Signaling

Following genes play an essential role in controlling apoptosis during C. elegans development, except: 
TLS Online TPP Program

#Question id: 29475

#Unit 6. System Physiology – Plant

Which of the following in NOT related with GA levels in plants
TLS Online TPP Program

#Question id: 12428

#Unit 10. Ecological Principles

Flycatcher birds that migrate from Africa to Europe feed their nestlings mostly with moth caterpillars. The data presented show the mean dates of egg laying, hatching, and fledging of flycatcher young, and the 1980 and 2000 peak mass of caterpillars.

Why are ecologists  concerned about the shift in  date from May 28 in  1980 to May 15 in  2000 of the caterpillar peak mass?
TLS Online TPP Program

#Question id: 12673

#Unit 10. Ecological Principles

Burning fossil fuels releases oxides of sulphur and nitrogen. Ultimately, these are probably responsible for
TLS Online TPP Program

#Question id: 6961

#Unit 5. Developmental Biology

Do HOX genes play a role in the development of C. elegans?