Cellular Extensions

Question 1

whiplike, motile cellular extensions that occur on the exposed
surfaces of certain cells. Its actions move substances in one direction
across the cell surfaces

Answer 1

Cilia

Question 2

projections formed by centrioles but longer. The only flagellated
cell is a sperm which has one propulsive flagellum. It propels the cell itself

Answer 2

Flagella

Question 3

tiny, finger-like extensions of the plasma membrane that
project from an exposed cell surface. It increase the cell surface and and
most often found in absorptive cells in the intestine and kidney

Answer 3

Microvilli

Question 4

Control center and contains the
instructions to build nearly all the
body’s proteins
š Most cells have only one nucleus but
skeletal muscles, bone destruction
cells and some liver cells are
multinucleate
š Except for RBCs (mature), all body
cells have nuclei
š Anucleate cells cannot reproduce
and therefore live in the bloodstream
for only 3-4 months before they
deteriorate

Answer 4

Nucleus