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TLS Online TPP Program

#Question id: 1127

Which of the following steps does not occur after acetylcholine binds to the muscarinic acetylcholine receptor in heart muscle cells?

#Unit 4. Cell Communication and Cell Signaling

  1. dissociation of Giα subunit from the Gβγ complex

  2. binding of the released Giα subunit to K+ channels

  3. hydrolysis of GTP to GDP by Giα                       

  4. opening of K+ channels

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TLS Online TPP Program

#Question id: 5257

#Unit 8. Inheritance Biology

Which term is least closely associated with the others?
TLS Online TPP Program

#Question id: 11911

#Unit 10. Ecological Principles

Michael Moulton and Stuart Pimm (1986) showed how the success of birds introduced to Tahiti or the Hawaiian Islands was dependent on the morphology of the species already present , find out the correct graph represents, morphological differences and the probability of invasion success ;
TLS Online TPP Program

#Question id: 12266

#Unit 10. Ecological Principles

Populations inhabiting fragmented habitats form
TLS Online TPP Program

#Question id: 11002

#Unit 7. System Physiology – Animal

A 30-year-old man has an ejection fraction of 0.25 and an end systolic volume of 150 ml. What is his end diastolic volume?
TLS Online TPP Program

#Question id: 12563

#Unit 10. Ecological Principles

How does phosphorus normally enter ecosystems?