1. ______are membrane protrusions that facilitate the absorption of nutrients. What is the name of these protrusions and
what cytoskeletal element forms their internal skeleton?
(A) Microvilli, microtubules
(B) Microvilli, actin filaments
(C) Microvilli, intermediate filaments
(D) Villi, microtubules
(E) Villi, actin filaments
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7. 下列何者具有大量的頂端微絨毛(ap...
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微管(microtubule)跟微絲(m...
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Microvilli (singular...