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Transcript
Cell Research Quest!
What is a Cell?

A cell is the smallest unit of life.

Your body is made up of trillions of cells with each one
working hard to produce proteins.

These proteins are used as building blocks for many different
things. For example, your hair and nails are made up of a
special protein made by cells.

However, in order to carry out this important task, cells are
made of tiny structures that work together. These tiny
structures are called organelles.
CELL MEMBRANE
Organelle
Plant,
Animal, or
Both?
Cell
▪ Both
Membrane
Function
This cell part
is just like…
 Surrounds the outside of the cell. ▪Gatekeeper
▪Controls what substances can
enter and exit the cell
CELL WALL
Organelle
Cell Wall
Plant,
Animal, or
Both?
 Plant
Function
▪ Surrounds the cell membrane ;It
is a tough and rigid covering
made of cellulose
▪ Gives a plant shape, support, and
protection
This cell part
is just like…
 Tough,
Outer Fence
CYTOPLASM (Cytosol)
Organelle
Cytoplasm
(cytosol)
Plant,
Animal,
or Both?
▪Both
Function
▪ Jelly-like fluid in cell
▪Holds all other organelles in place
This cell part
is just like…
▪ Jell-O
NUCLEUS
Organelle
Plant,
Animal, or
Both?
Nucleus

Both
Function
▪
The nucleus is protected by a nuclear
membrane. This membrane protects the
nucleus allowing certain materials to enter
and exit through pores.
▪
Nucleus controls and directs all of the cell’s
activities
▪
The nucleus also protects a cell’s genetic
material called chromatin. Another word
for chromatin is DNA. DNA contains all
the instructions for how a cell should grow
and what proteins it should make.
This cell
part is just
like…
▪
Brain
NUCLEOLUS
Organelle
Plant,
Animal,
or Both?
Nucleolus ▪
Function
Both ▪
▪
Dark region inside the nucleus
The site where ribosomes are
made
This cell part is
just like…
▪
Center of
tootsie roll
pop
RIBOSOMES
Organelle
Ribosome
Plant,
Animal,
or Both?
▪ Both
Function
▪Small, grain-like bodies floating in
the cytoplasm or attached to the
Endoplasmic Reticulum
▪Responsible for making proteins
This cell part
is just like…
▪ Factory
Worker
Endoplasmic Reticulum
Organelle
ER
Plant,
Animal, or
Both?
▪
Both
Function
▪
A maze of tube-like membranes.
▪
Rough ER: studded with ribosomes
▪
Smooth ER: does not have ribosomes
▪
Rough ER: Acts as a passageway for
protein material sending it to the Golgi
body
▪
Smooth ER: Acts as a passageway for
non-protein material (fats and
carbohydrates)
This cell part is
just like…

Subway
Tunnel
GOLGI BODY
Plant,
Organelle Animal,
or Both?
Golgi
body
▪Both
Function
▪Flattened stacks of membrane (looks
like pita bread)
▪Works to package, tag, and ship a
protein to its destination inside or
outside of the cell.
This cell
part is just
like…
▪ Mailroom
VESICLE
Organelle
Vesicle
Plant,
Animal,
or Both?

Both
Function
▪
Small membrane sacs
▪
Transports proteins from one part
of the cell to another
This cell part
is just like…
▪
Factory
Car
VACUOLE
Plant,
Animal,
Organelle
or
Both?
Vacuole
▪Both
Function
This cell part is just
like…
▪Plants –Have 1 large vacuole
filled with mostly water
▪Plant = Swimming
Pool
▪Animals – Have many smaller
vacuoles filled with food
▪Animal=Refrigerator
LYSOSOME
Organelle
Lysosomes
Plant,
Animal,
or Both?
▪
Both
Function
▪
Small membrane sacs
▪
Contains special chemicals to
digest food, old cell parts, or
waste
This cell part
is just like…
▪
Garbage
Disposal
MITOCHONDRIA
Organelle
Plant,
Animal,
or Both?
Mitochon ▪
dria
Both
Function
▪
A jelly-bean structure with an
outer membrane and inner
membrane which is folded.
▪
Produces usable energy for the cell
by breaking down sugar called
glucose (powerhouse of the cell)
This cell
part is just
like…
▪
Battery
CHLOROPLAST
Organelle
Plant,
Animal, or
Both?
Chloroplast ▪
Plant
Only
Function
▪
A green, jelly-bean structure
with an outer and inner
membrane
▪
Captures sunlight and uses it to
produce food (glucose) for a
plant cell
This cell
part is just
like…
▪
Solar
panel