1. 7.L.3A.3 Develop and use models to explain how the relevant structures within cells (including cytoplasm, cell membrane, cell wall, nucleus, mitochondria, chloroplasts, lysosomes, and vacuoles) function to support the life of plant, animal, and bacterial cells.

2. Organelles to know! Cell membrane Chloroplasts Cytoplasm Mitochondria
Nucleus
Cell wall
Vacuole
Lysosomes

3. Cell membrane The thin, flexible outer covering of a cell
Controls what enters and leaves a cell
There are two main ways substances enter and leave a cell:
Diffusion- moves across cell membrane, occurs as materials move from an area of higher concentration to an area of lower concentration
Osmosis- diffusion of water across a membrane

4. cytoplasm Gel-like fluid Made mostly of water
Holds other organelles in place

5. nucleus Contains genetic material (DNA) Control center of the cell
The place where mitosis occurs

6. vacuole Acts as temporary storage centers
Some store water, others store waste products until they can be eliminated from the cell
Plant cells have larger and fewer vacuoles than animal cells

7. chloroplasts Place where photosynthesis occurs
Contains chlorophyll- the green pigment that absorbs energy

8. mitochondria Sometimes called the Powerhouse of the cell
Energy producing sites in the cell where respiration takes place
Cells use energy to build, repair, and reproduce cells
Cells that require a larger amount of energy to function contain a larger number of mitochondria

9. Cell wall Provides support and shape for plant cells
Made mostly of cellulose which provides a protective framework for the cell

10. lysosomes
Organelles that are responsible for digesting certain materials within the cell
Can digest food, worn out organelles, as well as, other cellular waste not needed for cell metabolism