Aim: How can we describe the structure and function of cell organelles?

AIM: How can we describe the structure and function of cell organelles? DN: What are organelles? Name at least two organelles and describe the function of each one. HW: Read pages , page 183 #1-6

CELLS EUKARYOTIC CELLS ANIMAL CELLPLANT CELL PROKARYOTIC CELLS ORGANIZATION CHART BACTERIA

Prokaryotes All Bacteria All Bacteria They DO NOT have membrane bound organelles. They DO NOT have membrane bound organelles. They DO have: They DO have: Cell Membranes Cell Membranes Cell Walls Cell Walls DNA DNA Ribosomes Ribosomes

2 Types of Eukaryotic Cells: Animal Cell Animal Cell Plant Cell Plant Cell Both are complex, but there are differences Both are complex, but there are differences

What are those things inside the cell? Organelles- Specialized structures in cells that perform important cellular functions. Organelles- Specialized structures in cells that perform important cellular functions.

Life Functions Nutrition – to get nutrients for energy Nutrition – to get nutrients for energy Transport – to move materials from A to B Transport – to move materials from A to B Cell respiration – Energy: ATP Cell respiration – Energy: ATP Excretion – to get rid of metabolic waste Excretion – to get rid of metabolic waste Synthesis – to build, to make Synthesis – to build, to make Regulation – to control Regulation – to control Growth – to increase in size or number Growth – to increase in size or number Reproduction – to make offspring Reproduction – to make offspring

CELL MEMBRANE Protect the cell. Protect the cell. Controls what comes in and out. Controls what comes in and out. FUNCTION: TRANSPORT

CYTOPLASM FUNCTION: Protect and support the organelles within the cell. TRANSPORT

NUCLEUS Found in eukaryotic cells only! Found in eukaryotic cells only! Function: Controls cell processes and contains the hereditary information - DNA Function: Controls cell processes and contains the hereditary information - DNA REGULATION

ENDOPLASMIC RETICULUM Transport of materials Transport of materials 2 Types: Rough ER (has ribosomes) & Smooth ER 2 Types: Rough ER (has ribosomes) & Smooth ER FUNCTION: TRANSPORT

RIBOSOMES Protein Synthesi Protein Synthesi Cytoplasm or on Rough ER Cytoplasm or on Rough ER FUNCTION: SYNTHESIS

GOLGI APPARATUS Packages Proteins FUNCTION: TRANSPORT

MITOCHONDRIA Powerhouse of the cell- cellular respiration Makes energy or ATP from food and oxygen. Makes energy or ATP from food and oxygen. FUNCTION: RESPIRATION

LYSOSOMES Contain enzymes that can break down nutrients. Also they break down dead organelles. FUNCTION: NUTRITION

VACUOLES Store materials such as water, salt, proteins, and carbohydrates. Store materials such as water, salt, proteins, and carbohydrates. MANY SMALL ONES IN ANIMAL CELLS, AND ONE BIG ONE IN PLANT CELLS. MANY SMALL ONES IN ANIMAL CELLS, AND ONE BIG ONE IN PLANT CELLS. FUNCTION: EXCRETION

CENTRIOLES FUNCTION: Involved in animal cell division FOUND ONLY IN ANIMAL CELLS REPRODUCTION

CHLOROPLASTS Photosynthesis Photosynthesis FOUND IN PLANT CELLS! FOUND IN PLANT CELLS! FUNCTION: SYNTHESIS

CELL WALL Support and protection for the cell and allows materials in and out of the cell. Support and protection for the cell and allows materials in and out of the cell. FOUND IN PLANT CELLS. FOUND IN PLANT CELLS. FUNCTION: REGULATION

CILIA & FLAGELLA Made of protein and help with the movement of individual cells Made of protein and help with the movement of individual cells FUNCTION: NUTRITION

Animal cell Plant cell

What do plant and animal cells have in common? XCell MembraneX XCytoplasmX XNucleusX XEndoplasmic Reticulum X XRibosomeX XMitochondria X XLysosomes X XVacuoleX XCentriole Chloroplast X Cell Wall X AMIMAL CELLPLANT CELL

Cheek Cell NUCLEUS

Elodea Cell CELL WALL CHLOROPLAST