Neurobiology 1 Flashcards

1
Q

What is a Paramecia?

A

A single celled eukaryote, that does not require neurons for complex movements.

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2
Q

What do Paramecia use to move?

A

Cilia and ion channels.

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3
Q

What indicates that ion channels and electrical gradients developed very early on in evolution?

A

Prokaryotes have precursor ion channels of a more complex nervous system.

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4
Q

Why do large multicellular organisms require direct connections between sensory and motor cells?

A

Because diffusion of chemical transmitters would be too slow and it is difficult to produce specific responses from this.

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