Inglise keel unit 5 answers
auxin / IAA ;
[5]
91. 1 ref to change in receptor ;
2 creates, receptor potential / generator potential ;
3 if greater than threshold value ;
4 depolarisation / AW, (of axon / sensory / afferent, neurone) ;
5 ref to action potential (anywhere in answer) ;
6 ref to, myelin sheath / myelinated neurones ;
7 saltatory conduction / AW ;
8 ref to nodes of Ranvier ;
9 synapse with, motor / effector / efferent, neurone ;
10 ref to, calcium ions / calcium channels ;
11 vesicles of neurotransmitter fuse with presynaptic membrane ;
12 named neurotransmitter ;
13 secretion / exocytosis (from presynaptic membrane) ; R release
14 diffusion across synaptic cleft ;
15 receptors on postsynaptic membrane ;