Item #1 of 10

Microtubules are _______________________.

made of molecules that form filamentous strands;
made of a chain of proteins called tubulin;
used to transport cellular products to other parts of the cell;
used to transport neurotransmitters from the cell body to the axon ending;
all of the alternatives are correct;

CORRECT - Yes, microtubules are made of filamentous strands of the protein called tubulin, and are used to transport cellular products such as neurotransmitters from the site of production to the site of use.

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