Organelle Review

Eukaryotes

• Plant and Animal Cells.• Eukaryotes have a nucleus

Prokaryotes

• Bacteria Cells• Prokaryotes DO NOT have a nucleus

Cell Membrane

• Protection- Barrier to separate inside and outside environment

• Made of a lipid bilayer• Controls what goes in and out of the cell• ALL CELLS HAVE A CELL MEMBRANE

Cytoplasm

• Water based fluid with dissolved substances float in the cytoplasm

• ALL CELLS HAVE CYTOPLASM

Cell Wall

• Only found in plant cells• Extra layer of protection OUTSIDE the cell

membrane

Nucleus

• “Brain” of the cell• CONTAINS DNA

Nucleolus

• Specific area in the nucleus where DNA is found

Mitochondria

• “Powerhouse” of the cell• Breaks down food to make energy

Ribosome

• Makes proteins• Found both in the cytoplasm and attached to

the endoplasmic reticulum

Endoplasmic Reticulum

• Modifies proteins and is covered in ribosomes

Lysosome

• Contains enzymes that can break down the cell

• Found primarily in animal cells

Vacuole

• Storage of food and water• Found primarily in plant cells

Chloroplast

• Makes food for plant by using energy from the sun

• ONLY FOUND IN PLANTS