* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download 1-Cells-and-Organells
Survey
Document related concepts
Biochemical switches in the cell cycle wikipedia , lookup
Cytoplasmic streaming wikipedia , lookup
Tissue engineering wikipedia , lookup
Signal transduction wikipedia , lookup
Cell membrane wikipedia , lookup
Cell encapsulation wikipedia , lookup
Extracellular matrix wikipedia , lookup
Cell nucleus wikipedia , lookup
Cellular differentiation wikipedia , lookup
Programmed cell death wikipedia , lookup
Cell culture wikipedia , lookup
Cell growth wikipedia , lookup
Organ-on-a-chip wikipedia , lookup
Cytokinesis wikipedia , lookup
Transcript
CELLS and ORGANELLES Organelles Organs are to the body; as organelles are to cells. An organelle is small structure in the cell that perform a certain task in the cell. Common Features of Cells Parts of a Cell Rap- Chromebook Activity Prokaryotic vs Eularyotic Cells Prokaryotic Cell NO NUCLEOUS Bacteria Some Algae Small cells Eularyotic Cell HAS A NUCLEOUS Grass Mushrooms Skin Larger Cells NUCLEUS- The BRAIN of the CELL Structure that directs all the activities of the cell. Surrounded by nuclear membrane Contains Chromatin – Unorganized Chromosomes – Organized - DNA - DEOXYRIBONUCLEIC ACIDS Hereditary information that stays in the nucleus - RNA - RIBONUCLEIC ACIDS – Carries codes for making proteins out of the nucleus to the ribosomes Contains NUCLEOLUS Make the ribosomes What are Cells? CYTOPLASM- “jello” - Gel-like material inside the cell membrane and outside the nucleus. - Contains large amounts of water - 90% CELL MEMBRANE- Security Guard - Structure that forms the outer boundary of the cell Semipermeable Allows certain materials into and out of the cell ENDOPLASMIC RETICULUM- (Highway) Transport materials in cell Acts as a conveyor belt; transports materials ROUGH ENDOPLASMIC RETICULUM Have ribosomes attached to the surface RIBOSOMES – where proteins are made (protein factory) SMOOTH ENDOPLASMIC RETICULUM No ribosomes attached GOLGI BODIES- (Post Office/UPS truck) Responsible for the packaging of materials that are eventually secreted (let out) by the cell MITOCHONDRIA “Mighty Mitochondria” The Powerplant Powerhouse of the cell Site where sugar molecules are broken down and energy is released LYSOSOMES (Digestive system- The Garbage Man) Digest wastes and worn out cell parts. CENTROSOMES Contain centrioles which are structures that play an important role in cell reproduction Centrosomes VACUOLE- (storage tank) - Serve as a temporary storage site for materials Vacuole CELL WALL- (Protector) Rigid (stiff) structure outside the cell membrane that supports and protects the cell Made of cellulose Found only in PLANT CELL CHLOROPLAST- (Green Goblins) Organelles in which light energy is changed into chemical energy. (site of photosynthesis) Important chemical – CHLOROPHYLL green pigment Found ONLY IN PLANT CELLS Ways to remember Nucleus– THE BRAIN Cytoplasm- Think of the JELLY like the slime on Nickolodeon ER Endoplasmic Reticulum- Emergency Room --get to the ER- Transport you on a stretcher ER- transports material in a cell Ribosomes- has the word RIB in it Rib= Meat= Protein Ribosomes make protein Vacuole- Vacuum stores the dirt - Vacuole stores materials temporarilty Mitochondria– Mighty Mitochondria- the POWER HOUSE What are the main cell parts? http://www.brainpop.com/science/cellularlifeandgenetics/cellstructures/ Brainpop- Cell Structures What are other cell parts? Review Time REVIEW 2