The Function of Organelles

Occupations of Organized OrganellesOccupations of Organized Organelles

Cell Wall

Found Found onlyonly in plant in plant cellscells

Gives support to the Gives support to the cellcell

Made of Made of cellulosecellulose fibersfibers

Cell Membrane

ALL cells have oneALL cells have one

Separates what’s Separates what’s inside from inside from environmentenvironment

Made of phospholipidsMade of phospholipids

Nucleus

Found Found onlyonly in in eukaryoteseukaryotes

Contains DNAContains DNA The info needed to The info needed to

make a cellmake a cell Is covered by 2 Is covered by 2

membranesmembranes NucleolusNucleolus in middle in middle

Makes ribosomesMakes ribosomes

Ribosomes

Found in ALL cellsFound in ALL cells

Make proteinsMake proteins

More ribosomes in a More ribosomes in a cell than any other cell than any other organelleorganelle

Endoplasmic Reticulum

Delivery systemDelivery system Delivers proteins Delivers proteins

made by ribosomes made by ribosomes throughout cellthroughout cell

Two PartsTwo Parts RoughRough

Has ribosomesHas ribosomes SmoothSmooth

No ribosomesNo ribosomes

Mitochondria

Powerhouse of the cellPowerhouse of the cell Sugar is broken down Sugar is broken down

for energyfor energy Energy released by Energy released by

mitochondria is stored in mitochondria is stored in ATPATP Most of cell’s ATP Most of cell’s ATP

made heremade here Animal cells can’t make Animal cells can’t make

own food so we need these own food so we need these to break down sugar for to break down sugar for energyenergy

Chloroplasts

Found Found onlyonly in plant cells in plant cells Contain chlorophyllContain chlorophyll Photosynthesis happens in Photosynthesis happens in

thesethese Traps sunlight and Traps sunlight and

sugarsugar The sugar is then The sugar is then

broken down by broken down by mitochondriamitochondria

Golgi Complex

Packages and distributes Packages and distributes proteinsproteins

Proteins are sent here Proteins are sent here from the ERfrom the ER Then a piece of Golgi Then a piece of Golgi

membrane encloses the membrane encloses the protein, pinches off, protein, pinches off, and is sent to another and is sent to another part of the cell or out part of the cell or out of itof it

Vesicles A bubble that surrounds A bubble that surrounds

some material in the cell some material in the cell in order to move itin order to move it

LysosomesLysosomes Destroy, get rid of Destroy, get rid of

waste, or protectwaste, or protect VacuoleVacuole

Digests Digests Stores waterStores water

Plants have a large Plants have a large central vacuolecentral vacuole

Recommended Viewing

http://www.cellsalive.com/cells/cell_model.http://www.cellsalive.com/cells/cell_model.htmhtm

Organelle Function Table, p. 62Organelle Function Table, p. 62