The document discusses the basic structure and components of plant and animal cells. It explains that cells are the smallest unit capable of life functions and are made of organelles like the cell membrane, nucleus, chloroplasts and vacuoles. The key differences between plant and animal cells are that plant cells contain cell walls, chloroplasts and usually a large central vacuole.

1. Cells What is a cell? What’s inside a cell? What are the differences between animal cells and plant cells.

2. What is a cell? A cell is the smallest unit that is capable of performing life functions. The cells theory states the following: All living things are made up of cells. All cells come from preexisting cells through cell division. Red Blood Cells Onion Cells Cheek (Skin) Cells

3. Examples of Cells Amoeba Proteus Plant Stem Red Blood Cell Nerve Cell Bacteria

4. What is inside a cell? Cells are made up of parts called organelles or “little organs”. The parts of a cell that we are going to discuss include: Cell Membrane Cell Wall Nucleus Cytoplasm Chloroplasts Vacuoles Mitochondria Some organelles are only found in plant cells. These include cell walls and chloroplasts. The vacuoles found in plant cells are larger.

5. Cell Membrane Surrounds a cell, allows certain materials to enter the cell and waste products to exit Outer membrane of cell that controls movement in and out of the cell Double layer http://library.thinkquest.org/12413/structures.html

6. Cell Wall Tough material surrounding the cell membrane in plant cells. Most commonly found in plant cells & bacteria Supports & protects cells http://library.thinkquest.org/12413/structures.html

7. Nucleus Directs cell activities Separated from cytoplasm by nuclear membrane Contains genetic material - DNA

8. Cytoplasm All the material of the cell between the cell membrane and the nucleus Gel-like mixture Surrounded by cell membrane Contains hereditary material

9. Mitochondria The cell’s power producers. Mitochondria combine oxygen and food to produce energy in the process of cellular respiration. Controls level of water and other materials in cell http://library.thinkquest.org/12413/structures.html

10. Vacuoles Membrane-bound sacs for storage, digestion, and waste removal Contains water solution Larger in plant cells Help plants maintain shape by storing water http://library.thinkquest.org/12413/structures.html

11. Chloroplast Uses the energy in sunlight to turn water and carbon dioxide into sugar and oxygen (a process called photosynthesis) Usually found in plant cells Contains green chlorophyll http://library.thinkquest.org/12413/structures.html

12. What are the differences between plant and animal cells? Plant cells are much like animal cells, except for 3 important differences. Plant cells have cell walls , which make them appear rectangular-shaped. These structures are composed of cellulose, hemicellulose, and a variety of other materials. Plant cells have chlorophyll, the light-absorbing pigment required for photosynthesis. This pigment is contained in structures called chloroplasts , which makes plants appear green. Plants cells have a large, central vacuole . While animal cells may have one or more small vacuoles, they do not take up the volume that the central vacuole does (up to 90% of the entire cell volume!). The vacuole stores water and ions, and may be used for storage of toxins.

13. Plant Cell vs Animal Cell

15. What am I, plant or animal?

16. Plant Cell Animal Cell

17. Pictures of cells Cancer cell being attacked by the immune system

18. Cheek (Skin) Cells Nerve Cells Liver Cells

19. A plant cell from the leaf of a poplar tree Seaweed under a microscope Plant cell with nucleus very visible

20. Stomach Cells Muscle Cells Bone Cells Cardiac Muscle (Heart) Cells

21. Very thin slice of plant skin Orchid (flower) cells Leaf Cells of Moss Cells in a plant root

22. Credit Slide Pictures were found via yahoo image search. Some information was found via yahoo search. Some information was retrieved from Science-Class.net