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The Cell: The Basic Unit of Life

The Cell: The Basic Unit of Life. The Cell. The Cell has many parts. Each part has a specific job and plays an important part in the life of a cell. http://www.classzone.com/books/ml_science_share/vis_sim/chm05_pg7_cell/chm05_pg7_cell.html. Animal Cell. Warm Up.

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The Cell: The Basic Unit of Life

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  1. The Cell: The Basic Unit of Life

  2. The Cell • The Cell has many parts. • Each part has a specific job and plays an important part in the life of a cell. • http://www.classzone.com/books/ml_science_share/vis_sim/chm05_pg7_cell/chm05_pg7_cell.html

  3. Animal Cell

  4. Warm Up ____ 1. Provides energy for the cell by breaking down glucose molecules. ____ 2. Converts light energy to chemical energy for the plant cell through photosynthesis. ____ 3. This organelle controls all cell activities. ____ 4. Is selectively permeable.  ____ 5. A gelatin-like substance that is the site of many chemical reactions in the cell.

  5. Cell Membrane • Structure: protective layer that surrounds the cell. • Composed of lipids and phospholipids. • Function: controls interactions between the environment and the inside of the cell.

  6. Cytoplasm • Structure: Gelatin like substance inside cell, constantly flowing. • Function: a) keeps the cell moist. b) allows for chemical reactions to take place.

  7. Structure: framework made up of thin hollow tubes. Function: Helps the cell maintain it’s shape Cytoskeleton

  8. Nucleus • The brain of the cell • Structure: has it’s own membrane. • Functions: a) directs all cell activity b) contains the hereditary material (DNA)

  9. Mitochondria The POWER HOUSE of the cell!!!!! • Function: breaks down nutrients to make energy for the cell. • ATP is the energy source. *Why would muscle cells in your legs have more mitochondria than muscles in your abdomen?

  10. Ribosomes Made in the nucleolus and sent out to the cytoplasm. • Structure: -Not membrane bound -Either float freely in the cytoplasm or are connected to the endoplasmic reticulum. • Functions: -Produces protein using the information provided by the DNA.

  11. Ribosomes

  12. Endoplasmic Reticulum • Made up of folded membranes • Structure: either be rough or smooth -Rough: has ribosomes -Smooth: no ribosomes • Functions: -Acts as the processing center for proteins and other substances. -A system of highways to send things to different places.

  13. Golgi BodiesGolgi Apparatus/Golgi Complex • Structure: -Stacked membranes, acts as the mail center. • Functions: -Sort out proteins and other substances in vesicles (packages) to go to their appropriate places (other parts of the cell, organelles, or out of the cell).

  14. Vacuoles • Vacuoles: temporary storage for any excess cell material.

  15. Lysosomes • Function: -Breaks down and recycles unused substances -Also kills the cell (Lysis) when the cell is no longer functional.

  16. Extra Plant Structures • Plants are unique organisms and their cells have two added organelles. • Cell Wall -Tough, rigid, outer coverings made of CELLULOSE (a carbohydrate) Function: -Protection -Support and shape for the plant

  17. Chloroplasts Green organelles that contain chlorophyll • Function: • Chlorophyll captures light and uses it to make energy (photosynthesis).

  18. Different Types of Cells

  19. Nucleus- I’m the boss • Mitochondrion- power packed • Cytoplasm- oooey, gooey • Membrane- coming or going • Vacuole- hold on layaway • Golgi Bodies- packed –n- ready • Lysosomes- clean up the junk • Ribosomes- one order o’ proteins • ER- on the road again • Cytoskeleton- keep’n the shape • Chloroplast- green food machine • Cell Wall- rough –n- tough • http://www.classzone.com/books/ml_science_share/vis_sim/chm05_pg19_microscope/chm05_pg19_microscope.html

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