Biochemistry revision: Signalling

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1. The ability for a single ligand binding event to trigger so many pathways is a key difference between receptor tyrosine kinases and ___________

  • G protein coupled receptors
  • Ion channel receptors
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Other questions in this quiz

2. The similarity in structure of G proteins across a diverse selection of organisms suggests

  • G proteins evolved very early
  • G proteins were in bacteria, that were eaten by eukaryotes

3. Abnormal receptor tyrosine kinases that function even in the absence of signalling molecules are associated with many types of cancer

  • True
  • False

4. An enzyme that catalyzes the transfer of a phosphate group

  • Kinase
  • Carboxlyase

5. Ligand gated iron channels function as tyrosine kinases

  • False
  • True


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