Choanoflagellate: <I>Monosiga brevicollis</I> (IMAGE)
Caption
University of Texas at Austin researchers discovered the genes for sodium channels that occur in animal neurons in the single-celled choanoflagellate, Monosiga brevicollis, showing that the sodium channels evolved before neurons.
Credit
Mark J. Dayel, University of California, Berkeley.
Usage Restrictions
Creative Commons. Credit: Mark Dayel.
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