For each function described below, choose the cytoskeletal element it best characterizes (some of the functions listed are carried out by more than one cytoskeletal element): a. microtubules b. microfilaments c. intermediate filaments
________
provide structural support for epithelial cell shape
(keratins)
________ enable movement of cells
________ enable movement of substances within cells
________
provide structural support for fibroblast cell shape
(vimentins)
________ arrange and tether organelles within the cytoplasm
________
provide cellular movement as a component of cilia flagella
________ provide structural support for nuclear envelopes (lamins)
________ attach to the cytoplasmic surfaces of desmosomes
________
provide structural support to cells and layers of cells
through attachment to adherens
junctions
________
help cells to withstand compression when organized a spokelike array by the
centrosome
________
separate chromosomes during cell division when
organized in a spindle apparatus
_______
provide a contractile ring to separate cells during cell
division
________
support the plasma membrane and organize membrane
proteins
________ shorten cell shapes during contraction
What will be an ideal response?
c
provide structural support for epithelial cell shape
(keratins)
a,b enable movement of cells
a,b enable movement of substances within cells
c
provide structural support for fibroblast cell shape
(vimentins)
a arrange and tether organelles within the cytoplasm
a
provide cellular movement as a component of cilia flagella
c provide structural support for nuclear envelopes (lamins)
c attach to the cytoplasmic surfaces of desmosomes
b
provide structural support to cells and layers of cells
through attachment to adherens junctions
a
help cells to withstand compression when organized a spokelike array by the centrosome
a
separate chromosomes during cell division when
organized in a spindle apparatus
b
provide a contractile ring to separate cells during cell
division
b
support the plasma membrane and organize membrane
proteins
b shorten cell shapes during contraction
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____________________ Indicate whether the statement is true or false.
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