Other questions in this quiz

2. Specialized endocrine cells secrete hormones into the body fluid, often blood and reach virtually all cells, but only act on some cells

  • Endocrine signalling (long distance)
  • Synaptic signalling (local)
  • Paracrine signalling (local)

3. A secreting cell acts on nearby target cells by discharging molecules of a local regulator into the extracellular fluid

  • Paracrine (local)
  • Endocrine signalling (long distance)
  • Synaptic signalling

4. A tyrosine kinase is an enzyme that catalyzes the transfer of a _________ group from ATP to the amino acid tyrosine on a substrate protein

  • Manganese
  • Phosphate
  • Iron

5. 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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