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Transcript
Cell Organelles
As we go through the notes, you should
be filling in your sheet.
Feel free to add anything to your notes
that you think will help you remember
what we talked about.
What is an organelle?

Small part of a cell that does a
specific job

Just like your organs are parts of
you that do certain jobs
Ex: heart pumps blood
 Ex: stomach digests food

Cell membrane

Flexible covering outside
the cell

Made of fat (lipids)

Controls what enters and
leaves the cell

Eubacteria,
Archaebacteria, Protists,
Fungi, Plants & Animals
Cell wall

Rigid covering outside the cell

Made of different materials
(depends on the kingdom)

Gives the cell its shape and
protection

Eubacteria, Archaebacteria,
Fungi, Plants, & some Protists
Central vacuole

Large storage area for
water, wastes, and
food

Similar to your
bladder

Plants, Fungi & some
Protists
Centrosome

Bundle of fibers that
helps the cell divide

Produces fibers that
pull chromosomes
apart

Animals & some
Protists
Chloroplast

Absorbs energy from
sunlight to make sugar
(photosynthesis)

Has its own DNA

Bright green

Plants & some
Protists
Cilia

Tiny hairs on the
outside of the cell
used for movement

Hundreds per cell

Some Animals, some
Protists, some
Eubacteria & some
Archaebacteria
Cytoplasm

Liquidy goo that all
the other organelles
float around in

Mostly water and
some salts

Eubacteria,
Archaebacteria, Protists,
Fungi, Plants & Animals
Flagellum

Long, whip-like tail
used for movement

Usually only 1 or 2 per
cell

Some Animals, some
Plants, some Eubacteria,
some Protists, & some
Archaebacteria
Golgi

Proofreads, modifies,
and ships products of
other organelles

Usually found near
cell membrane

Plants, Animals,
Protists, & Fungi
Lysosome

Bubble filled with
enzymes

Breaks down worn
out cell parts
(kamikaze mission)

Plants, Animals,
Protists, & Fungi
Mitochondria

Burns sugar to make
energy in the form of
ATP (cell respiration)

Has its own DNA

“Powerhouse” of the
cell

Plants, Animals,
Protists, & Fungi
Nucleolus

Dark ball inside the
nucleus

Makes ribosomes

Plants, Animals,
Protists, & Fungi
Nucleus

Place where main genetic
material is kept (DNA &
RNA)

Usually near center of
cell

“Command center” or
“Brain” of cell

Plants, Animals, Protists,
& Fungi
Pili

Tiny hairs covering
the outside of the cell

Help cell recognize &
sense its surroundings

Eubacteria &
Archaebacteria
Ribosomes

Tiny dots in
cytoplasm or on
rough E.R.

Make proteins

Eubacteria,
Archaebacteria,
Protists, Fungi, Plants
& Animals
Rough E.R.

Series of tunnels (like a
subway)

Transport proteins
around the cell

Usually wrapped around
the nucleus

Plants, Animals, Protists,
& Fungi
Smooth E.R.

Series of tunnels (like a
subway)

Transport new membrane
pieces around the cell

Usually found just outside
Rough E.R.

Plants, Animals, Protists, &
Fungi
Vesicle

Bubble that transports
materials all around the cell

Like wrapping paper or a box

Usually found around the
Golgi

Eubacteria, Archaebacteria,
Protists, Fungi, Plants &
Animals