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B 01 Biological Processes > Wrong ANS > Flashcards

Wrong ANS Flashcards

1
Q

Suggest how adrenaline brings about a response inside the cells of the SAN (2)

A
  • adrenaline binds to protein receptors on the CELL SURFACE MEMBRANE of SAN cells
  • activates adenylyl cyclase which converts ATP –> cAMP/secondary messenger and results in depolarisation of SAN cell membrane
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2
Q

Describe the structure of myelin sheath (2)

A
  • Schwann cell wrapped around neurone
  • present on neurone except at nodes of Ranvier
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B 01 Biological Processes (2 decks)

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