Transcript Organelles for support and locomotion

Organelles for support
and locomotion
The cytoskeleton
 Forms a framework for the cell
 It can be dismantled in one place and
reassembled somewhere else changing
the cell’s shape
 Microtubules – thin, hollow cylinders made
of protein
 Microfillaments – smaller, solid protein fibers
Microtubules &
microfilaments:
 They act together as a scaffold to
maintain the shape of the cell.
 They anchor and support many
organelles
 They provide a “highway” system through
with materials move within the cell.
centrioles
 Found in the cells of
animals and most
protists.
 They occur in pairs
 They are made up
of microtubules.
 They have an
important roll in cell
division.
Cilia & flagella
 Both are organelles made of
microtubules that aid the cell in
locomotion or feeding.
•Cilia:
-short, numerous
projections that look
like hairs.
-Their motion is similar to
that of oars in a rowboat.
-Found in Eukaryotes
 Flagella
 Longer projections
 It moves with a Whiplike motion
 A cell usually has only
one or two flagella
 Found in Eukaryotes
and Prokaryotes