Looking Inside Looking Inside Eukaryotic CellsEukaryotic Cells

PARTS OFPARTS OF

A CELLA CELL““PARTS OF A CITY”PARTS OF A CITY”

TWO TYPES OF TWO TYPES OF CELLSCELLS

1) 1) PROKARYOTEPROKARYOTE

Without a nucleus = Without a nucleus = BacteriaBacteria

TWO TYPES OF TWO TYPES OF CELLSCELLS

2) 2) EUKARYOTEEUKARYOTE

With a nucleus =With a nucleus =

Animal & PlantAnimal & Plant

STRUCTURE OF A TYPICAL STRUCTURE OF A TYPICAL PLANT CELL PLANT CELL

PLANT CELLPLANT CELL

CELL WALLCELL WALL“SHORELINE & “SHORELINE & BOUNDARY”BOUNDARY”

A RIGID LAYER THAT A RIGID LAYER THAT

PROVIDES SHAPE AND PROVIDES SHAPE AND

SUPPORT TO A PLANT SUPPORT TO A PLANT CELLCELL

STRUCTURE OF A TYPICAL STRUCTURE OF A TYPICAL ANIMAL CELL ANIMAL CELL

ANIMAL CELLANIMAL CELL

CELL MEMBRANECELL MEMBRANE“OUTER GATE”“OUTER GATE”

CONTROLS WHICH CONTROLS WHICH SUBSTANCES CAN SUBSTANCES CAN

ENTER ENTER

OR LEAVE THE CELLOR LEAVE THE CELL

OUTER GATEOUTER GATE

NUCLEUSNUCLEUS“BRAIN OR COMPUTER”“BRAIN OR COMPUTER”

THE CONTROL CENTER OF A THE CONTROL CENTER OF A CELL THAT DIRECTS THE CELL THAT DIRECTS THE

CELL’S ACTIVITIES; CELL’S ACTIVITIES;

CONTAINS GENETIC CONTAINS GENETIC MATERIAL CALLED MATERIAL CALLED

CHROMOSOMES MADE OF CHROMOSOMES MADE OF DNADNA

BRAIN = COMPUTERBRAIN = COMPUTER

CYTOPLASMCYTOPLASM“ATMOSPHERE”“ATMOSPHERE”

THE VISCOUS GEL-LIKE THE VISCOUS GEL-LIKE MATERIAL INSIDE A CELL; MATERIAL INSIDE A CELL;

CONTAINS ORGANELLESCONTAINS ORGANELLES

““ENVIRONMENT”ENVIRONMENT”

ENVIRONMENTENVIRONMENT

ATMOSPHEREATMOSPHERE

MITOCHONDRIAMITOCHONDRIA“POWERHOUSE”“POWERHOUSE”

ROD-SHAPED ROD-SHAPED ORGANELLE WHERE ORGANELLE WHERE

ENERGY FOR ENERGY FOR CELLULAR FUNCTIONS CELLULAR FUNCTIONS

IS PRODUCEDIS PRODUCED

MITOCHONDRIA MITOCHONDRIA = POWER PLANT= POWER PLANT

POWERHOUSEPOWERHOUSE

ENDOPLASMIC ENDOPLASMIC RETICULUM ( E R )RETICULUM ( E R )

“HIGHWAY”“HIGHWAY”

MAZE OF PASSAGEWAYS MAZE OF PASSAGEWAYS IN WHICH MATERIALS IN WHICH MATERIALS ARE CARRIED FROM ARE CARRIED FROM

ONE PART OF THE CELL ONE PART OF THE CELL TO ANOTHER TO ANOTHER

HIGHWAY = HIGHWAY = TRANSPORTATIONTRANSPORTATION

RIBOSOMERIBOSOME“FACTORY & “FACTORY & PRODUCERS”PRODUCERS”

A TINY STRUCTURE IN A TINY STRUCTURE IN THE CYTOPLASM OF A THE CYTOPLASM OF A

CELL WHERE CELL WHERE PROTEINS ARE MADEPROTEINS ARE MADE

RIBOSOME = FACTORYRIBOSOME = FACTORY

GOLGI BODYGOLGI BODY“POST OFFICE”“POST OFFICE”

PACKAGES & PACKAGES & DISTRIBUTES PROTEINS DISTRIBUTES PROTEINS

IN LITTLE BUBBLES IN LITTLE BUBBLES TO OTHER PARTS OF TO OTHER PARTS OF

THE CELLTHE CELL

GOLGI BODY GOLGI BODY = POST OFFICE= POST OFFICE

CHLOROPLASTSCHLOROPLASTS“FARM & SITE OF “FARM & SITE OF PHOTOSYNTHESIS”PHOTOSYNTHESIS”

CAPTURE ENERGY FROM CAPTURE ENERGY FROM SUNLIGHT AND USES IT SUNLIGHT AND USES IT TO PRODUCE FOOD FOR TO PRODUCE FOOD FOR

PLANT CELLS ; PLANT CELLS ;

CONTAIN CHLOROPHYLLCONTAIN CHLOROPHYLL

VACUOLEVACUOLE“GROCERY STORE”“GROCERY STORE”

BUBBLE-LIKE BUBBLE-LIKE ORGANELLE THAT ORGANELLE THAT

STORES FOOD, STORES FOOD, WATER, OR WASTEWATER, OR WASTE

LYSOSOMELYSOSOME“RECYCLERS & “RECYCLERS &

DIGESTION CENTER”DIGESTION CENTER”

A SACLIKE ORGANELLE IN A SACLIKE ORGANELLE IN ANIMAL CELLS THAT ANIMAL CELLS THAT

CONTAINS CHEMICALS CONTAINS CHEMICALS THAT BREAKDOWN FOOD THAT BREAKDOWN FOOD

OR WASTE MATERIALSOR WASTE MATERIALS

DIGESTION CENTERDIGESTION CENTERLysosomes are relatively large vesicles formed by the Golgi. They contain hydrolytic enzymes that could destroy the cell.

Lysosome contents function in the extracellular breakdown of materials.