Fluorescently labeled _________ can reveal the attachment sites of fibroblasts on substratum.

Fluorescently labeled _________ can reveal the attachment sites of fi

1.	Fluorescently labeled _________ can reveal the attachment sites of fibroblasts on substratum.
A.	cofilin
B.	flagella
C.	vinculin
D.	microtubules
Answer» D. microtubules