1. CELLS CELLULAR COMPONENTS & PROCESES

2. CELL THEORY 1.All living things are composed of cells. 2.The cell is the basic unit of structure and function in living things. 3.All cells arise from preexisting cells.

3. There are two types of cells: Prokaryotic- cells that DO NOT have a nucleus or other cell ORGANELLES Eukaryotic- cells with a NUCLEUS & cell ORGANELLES

4. A bacterium is a prokaryotic cell

6. organelles little “organs” within the cell little “organs” within the cell Carry out special functions Carry out special functions We need to know: We need to know: – Cell Membrane – Cytoplasm – Nucleus – Mitochondria – Ribosomes

7. CELL ORGANELLS Organelles are structures inside the cell that perform specific jobs. Some functions of organelles:  Transport of materials  Information storage  Protein building  Waste disposal  Energy capture and release

8. Cytoplasm Transports materials within the cell

9. Cell Membrane Protects cell Controls entry and exit of substances Nutrients in Wastes out

10. Cell membrane- structure Click image for video clp

11. Nucleus Command and control Command and control Information storage Information storage

12. Closing Dec. 01, 2015 The command and control center of the cell is called …………………………… The ……………………………… protects the cell and controls entry and exit.

13. CELL ORGANELLS Dec.2 Organelles are structures inside the cell that perform specific jobs. Some functions of organelles:  Transport of materials  Information storage  Protein building  Waste disposal  Energy capture and release

14. Mitochondria "Powerhouse of the cell" – produces ATP (energy molecule) "Powerhouse of the cell" – produces ATP (energy molecule) contains enzymes for cell respiration process contains enzymes for cell respiration process active cells have many mitochondria. active cells have many mitochondria. for example: for example: muscle cells muscle cells sperm cells sperm cells

15. Ribosome Ribosomes build proteins Synthesize = build, make, produce

16. Ribosome at work – protein synthesis

17. Vacuole Stores and digests food in single-celled organisms Serves as Water pump to maintain homeostasis in plants What do multicellular organisms have that single celled organisms do not have? tissues, organs, organ systems

18. Compare Plant and Animal Cells

19. PLANT CELL ORGANELLES ONLY Cell Wall surrounds and supports the cell surrounds and supports the cell Strong, flexible Strong, flexible Chloroplasts- has green pigment chlorophyll has green pigment chlorophyll photosynthesis occurs here photosynthesis occurs here – Uses the sun’s energy to make food for the plant

20. Chloroplast - Structure

21. Closing Dec. 02, 2015 One thing I learned about cell organelles is ……………………………….