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Unformatted text preview: 4. The microvillar surface to intestinal cells (columnar epithelial cells) are held in place by _____________. a) microfilaments (actin) b) intermediate filaments (keratin proteins) c) microtubules (tubulin) d) centrosomes e) kenetocores 5. A muscle tear from heavy weight lifting may be due to which type of intercellular junction? a) tight junction b) desmosomes (anchoring junction) c) gap junctions (communicating junction) d) plasmodesmata e) middle lamella...
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- Winter '12