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TLS Online TPP Program

#Question id: 21246

The correct sequence of events involved in phototransduction in rods and cones in response to light is:

#Unit 7. System Physiology – Animal
  1. activation of transducin, decreased release of glutamate, structural changes in rhodopsin, closure of Na + channels, and decrease in intracellular cGMP.
  2. decreased release of glutamate, activation of transducin, closure of Na + channels, decrease in intracellular cGMP, and structural changes in rhodopsin.
  3. structural changes in rhodopsin, decrease in intracellular cGMP, decreased release of glutamate, closure of Na + channels, and activation of transducin.
  4. structural changes in rhodopsin, activation of transducin, decrease in intracellular cGMP, closure of Na + channels, and decreased release of glutamate.
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TLS Online TPP Program

#Question id: 32281

#Unit 2. Cellular Organization

Carbohydrate chains in glycoproteins attached to the hydroxyl(-OH) group in serine and threonine residues are referred to as:
TLS Online TPP Program

#Question id: 10634

#Unit 10. Ecological Principles

Consider a population which is changing from one generation to the next as per the equation N(t) = R*N(t-1), where N(t) represents the size of the population at time t and R is a constant growth parameter. Under what condition is the population likely to go extinct?
TLS Online TPP Program

#Question id: 4656

#Unit 11. Evolution and Behavior

Logically, which of these should cast the most doubt on the relationships depicted by an evolutionary tree?
TLS Online TPP Program

#Question id: 28529

#Unit 5. Developmental Biology

FACKEL (FK) encodes an enzyme which function as a critical for pattern formation during embryogenesis, such enzyme is know as___ 
TLS Online TPP Program

#Question id: 19708

#Unit 13. Methods in Biology

In complete heart block