Examlex
Which of the following is not an organic molecule?
Action Potential
A temporary reversal of electrical polarization of the membrane of a nerve cell or muscle cell, allowing for the transmission of signals.
Radioactive Tracer
A substance containing a radioisotope used to track or trace chemical reactions or biological processes by detecting the radiation it emits.
Neurons
Basic cells of the nervous system that transmit electrical and chemical signals throughout the body.
Neurotransmitters
Chemicals in the nervous system that transmit signals across a synapse from one neuron to another.
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