ch.4 extracellular structures and cell movement

Question 1

some ___ crawl

Answer 1

cells

Question 2

________ flagellum, consisting of a circle of nine microtubule pairs surrounding two central microtubules

Answer 2

eukaryotic

Question 3

the microtubules of the flagellum are derived from a _____ ______, situated just below the point where the flagellum protrudes from the surface of the cell.

Answer 3

basal body

Question 4

in _____ and _______, the cell walls are composed of fibers of the polysaccharide cellulose, whereas in ______, the cell walls are composed of chitin.

Answer 4

plants and protists, fungi

Question 5

in plants, ____ walls are laid down when the cell is still growing.

Answer 5

primary

Question 6

Animal cells lack the cell walls that encase plants, fungi, and most protists. Instead animals cells have a mixture of ________________ into the space around them, forming the ECM (___________ ______).

Answer 6

glycoproteins, extracellular matrix