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Transcript
“The Cell City”
Comparing a cell to Worthington
Cell Membrane► “city
limits” maintains
the cell’s limits or
boundaries.
► Controls what goes in
and out of the cell.
► food and water move
in, waste moves out.
Cell Wall
► Cell
wall is like a
“security fence” and
also provides
support like a brick
wall would around
an old time city.
► Only found around
plant cells
Nucleus“city hall” directs all
the activities of the
cell.
► Contains all the plans
and blueprints in the
form of DNA.
►
Cytoplasm“the inner city” the
fluid in the cell which
contains all the
organelles.
► Organelles are like the
“businesses” of the cell
► Cytoplasm fills the
space from the nucleus
to the cell membrane
►
Mitochondria“powerhouse”
supplies energy to
power all of the cell’s
functions.
► Like the generators
located near
fairgrounds.
► Found in higher
numbers in cells that
need a lot of energy.
►
Chloroplast
► Organelle
that uses
energy from the sun
to make food
► Like “Solar panels”
collect energy to
power houses or
factories
► Found only in plant
cells
Endoplasmic reticulum (ER)► Like
“highways and
streets”, moves
materials around the
cell
► extending from the
nucleus to the cell
membrane.
Ribosome► Like
“factories” makes
proteins that are
transported along the
E.R.
► Located on the E.R. or
floating in the
Cytoplasm (JBS,
Bedford, and
Highland).
Golgi Bodies or Apparatus
► “packaging”
does not
make anything but
prepare materials for
shipment outside the
cell
► Like the Freezer
Warehouse in
Worthington.
Vacuoles“storage” holds
materials until needed
later. (grain elevator
and water tower).
► Large vacuoles are
found in plant cells to
store water.
►
Lysosomes“sanitations” they
produce chemicals that
digests wastes and
worn-out cell parts.
► When the cell dies
the lysosomes break
open and break down
the cell.
► Mostly found in animal
cells
►
Cell City Comparison
Plant Cell
Animal Cell