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Cell Organelles
Unit 2: Cells
Let’s Review!
Two cell types
Prokaryotes - Bacteria
Eukaryotes
Nucleus
Two Types of Eukaryotic Cells
Cell Organelles
Organelle = “little organs”
Found only in
Many are “membranebound” (a membrane surrounds
the organelle)
Cytosol: watery matrix that
organelles float in
Cytoplasm: Everything in a
cell except the nucleus
Cell Membrane
Functions:
Factory Part:
Found in:
Nucleus
Stores DNA
(chromosomes)
Surrounded by the nuclear
membrane

Pores let material in and out
Also contains the
Nucleolus, which makes
ribosomes
Factory Part:
Found in:
Ribosome
Smallest organelle
NOT surrounded by a
membrane
Two Types:
Factory Part:

Machines
Found in:
Endoplasmic
Reticulum
Functions:
Two Types:
Factory Part:
Found in:
Golgi Apparatus
Function:
Factory Part:
Found in:
Lysosomes
Functions:
Factory Part:
Found in:
Mitochondria
Functions:
Factory Part:
Found in:
Sugar + Oxygen
Carbon dioxide + Water + ATP
ATP = Adenosine triphosphate
Chloroplast
Function:
Factory Part:
Found in:
Sunlight + Carbon Dioxide + Water
Sugar + Oxygen
Cell Wall
Function:
Factory Part:
Found in:
Vacuoles
Functions:
Factory Part:
Found in:
Cell City Analogy
Cell Organelles
Cell Membrane
Cell Wall
Cytoplasm
Endoplasmic Reticulum
Ribosomes
Golgi Bodies
Chloroplasts
Nuclear Membrane
Mitochondria
Nucleus
DNA
RNA
Nucleolus
Lysosomes
Vacuole
Protoplasm
Chromosomes
Proteins
City Analogies
City border
City Wall
Lawns
Highway or road system
Lumber or brick yard
Post Office or UPS
Solar Energy Plants
City Hall Fence with security guard
Energy Plants
City Hall
Original Blueprints or the city
Copies of Blueprints
Copy Machine
Waste Disposal/ Recyclers
Warehouses, water towers or garbage dumps
Air or atmosphere
Rolled up blueprints
Lumber or bricks