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PLANT AND ANIMAL CELLS Chapter 7. What’s a cell?  The structural, functional and biological unit of all organisms. 

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Presentation on theme: "PLANT AND ANIMAL CELLS Chapter 7. What’s a cell?  The structural, functional and biological unit of all organisms. "— Presentation transcript:

1 PLANT AND ANIMAL CELLS Chapter 7

2 What’s a cell?  The structural, functional and biological unit of all organisms.  http://www.youtube.com/watch?v=m bcWGU8fpxA&feature=related http://www.youtube.com/watch?v=m bcWGU8fpxA&feature=related

3 Cell Membrane  The outer layer of the cell. Acts as a semi- permeable boundary between inside and outside allowing only certain things to pass through.

4 Cell Wall  ONLY IN PLANT CELLS  Provides structure and protection

5 Cilia & Flagellum  Provides movement for cells.  Cilia- Small, many  Flagellum- Large, few

6 Cytoskeleton  Provides structure to cell and acts as pathways for organelle movement

7 Cytoplasm  Thick, jelly-like fluid inside the cell that protects and supports organelles

8 Golgi Body  Modifies, transports and exports proteins

9 Vacuole  Fluid filled organelle that stores food, water and toxins in cells  Largest plant cell organelle

10 Lysosome  Mostly found in animal cells  Digests large molecules and old cell parts into smaller ones

11 Mitochondria  Breaks down sugars to release energy through respiration

12 Chloroplasts  ONLY IN PLANT CELLS  Uses photosynthesis to convert light, H2O and CO2 into glucose (energy)

13 Endoplasmic Reticulum  Carries material through cell  Aids in making proteins

14 Ribosome  Produces proteins for the cell, located either on ER or freely floating.  Thousands in cell, makes up around 25% cell mass.

15 Nucleus  Controls all cell activity and contains hereditary information (DNA)

16 Nuclear Envelope  Controls the movement of all materials in and out of the nucleus

17 Nucleolus  Produces ribosomes. A single nucleus may have more than one.


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