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Cells Cells Everywhere

Cells Cells Everywhere. http://www.digitalapoptosis.com/archives/montreal/000454.html. Today’s Lesson. Different Types of Cells Plant Cells Animal Cells Activity. Different Types of Cells. On earth – there are two main types of cells. They are:

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Cells Cells Everywhere

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  1. Cells Cells Everywhere http://www.digitalapoptosis.com/archives/montreal/000454.html

  2. Today’s Lesson • Different Types of Cells • Plant Cells • Animal Cells • Activity

  3. Different Types of Cells • On earth – there are two main types of cells. They are: • Prokaryotes (single cell organism): these are single celled organisms. The one cell does everything it needs to live by itself. It can move, get food, reproduce etc. • Examples include bacteria and blue-green algae http://kentsimmons.uwinnipeg.ca/16cm05/1116/16monera.htm http://www.derm.qld.gov.au/water/blue_green/blue_green.html

  4. Continued • Eukaryotes (multi celled organisms): These cells can be plants or animals. Each cell normally has a specific job that it completes. • For example, one type of cell may produce food, one may get rid of waste, one may help it move etc. • These cells need each other to live. If they are not together, they will not survive. http://larvalsubjects.files.wordpress.com/2009/08/origin1.gif

  5. Questions • What is the difference between a eukaryote and prokaryote? • Find 2 examples of a prokaryote cell • Find 2 examples of a eukaryote cell

  6. Plant Cells

  7. Different Parts • Cell Wall – It covers the thin cell membrane. It is made of tough cellulose which strengthens the cell • Chloroplasts – They carry out photosynthesis which trap light energy. It makes energy for the cell • Cytoplasm – contains starch and is where chemical reactions occur to keep the cell alive

  8. Different Parts # 2 • Nucleus – this controls what the cell does. It also contains instructions for making new cells. • Vacuole – a large hole filled with liquid called cell sap. It helps keep the shape of the cell. • Cell Membrane – is a thin skin around the cell. It controls what comes in and out of the cell.

  9. Animal Cell

  10. Different Parts • The cell membrane is a thin outer layer that contains the cell and controls what goes in or comes out. • The cytoplasm is a jelly like liquid where the chemical reactions to keep the cell alive occurs • The vacuole is a storage area that may contain air, food or waste.

  11. Different Parts #2 • Mitochondrion – these can be seen as small energy capsules that contains sugar and oxygen so energy can be released. • Cell Nucleus – this controls what the cell does along with contain instructions to make a new cell

  12. Similarities and Differences • Plant Cells: have tough cellulose cell walls, have chloroplasts, have a large permanent vacuole (hole) containing cell sap, many have a box like shape, have a nucleus on the side of the cell. • Animal Cells: do not have cellulose cell walls, do not have chloroplasts, sometimes have small vacuoles but they never contain cell sap, shape varies (is different), have a nucleus in the middle of the cell.

  13. Questions • Name the similarities between plant cells and animal cells. Can you think of any more than what is listed on this PPT? • Name the differences between plant cells and animal cells. Can you think of any more than what is listed on this PPT? • Find and describe 2 different types of plant cells. • Find and describe 2 different types of animal cells.

  14. Activity • Today, we will make and draw our own microscope slide samples. • We need to draw 2 samples each. • Listen to your teacher carefully as it needs to completed a certain way

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