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Card 16
Front
Why is the axon membrane 100x more permeable to potassium ions when the axon is polarised?
Back
Card 17
Front
Describe what happens during depolarisation
Back
Card 18
Front
Describe what happens during repolarisation
Back
Card 19
Front
Describe what happens during hyperpolarisation
Back
Card 20
Front
Which transmits an nerve impulse faster: myelinated or unmyelinated axon?
Back
Card 21
Front
How is the transmission of a nerve impulse different in a myelinated and unmyelinated axon?
Back
Card 22
Front
Name 3 factors that affect the speed of a nerve impulse
Back
Card 23
Front
What are 3 roles of the refractory period?
Back
Card 24
Front
What is the 'all or nothing principle'?
Back
Card 25
Front
Name two ways in which an organism can perceive the size of a stimulus
Back
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