Electric signals in animals
19 important questions on Electric signals in animals
Where does processing of information takes place?
What is the axon hillock?
What is a neurotranmitter?
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In which three stages does the nervous systems process information?
Where consists the complex nervous system from many animals of?
- peripheral nervous system (PNS): which carries information into and out of the CNS
the neurons of the PNS, when bundled together, from nerves.
How is the K+ and Na+ gradiens maintain across the plasma membrane?
How is the chemical potential convert into electricel potential?
What is graded potentials?
How does an action potential arise?
When does the speed of an action potential increases?
What happens at an electrical synapses?
How does the presynaptic neuron synthesizes and packages the neurotransmitter?
action potential causes the release of the neurotransmitter.
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How is a postsynaptic potential generated?
-Neurotransmitter binding causes ion channels to open, generating a postsynaptic potential
In which two categories falls a postsynaptic potentials?
inhibitory postsynaptic potentials (IPSPs) are hyperpolarizations that move the membrane potential farther from threshold.
What happens in spatial summation?
Which two major classes of acetylcholine does vertbrates have?
Which classes of neurotransmitter do we have?
What kind of amino acids are functioned in the CNS?
gamma-aminobutyric acid (GABA)
glycine
What kind of biogenic amines are included
norepinephrine
dopamine
serotonin
active in the CNS and PNS
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