Inglise keel unit 5 answers
(c) 1 to allow repolarisation to occur ;
2 by unblocking (neurotransmitter) receptor ;
3 prevents sodium channels remaining open ;
4 so more neurotransmitter can bind ;
5 new action potential is generated ;
6 to allow movement to occur ;
7 recycling of neurotransmitter ;
8 AVP ;
or
1 permanently depolarised ;
2 receptors (permanently) blocked ;
3 sodium channels open ;
4 no more neurotransmitter can bind ;
5 no new action potential / action potentials continuously fired ;
6 continuous contraction / AW ;
7 no recycling of neurotransmitter ;
8 AVP ; 2 max
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