introduction to cells. discovery robert hooke discovered the cell using a compound light microscope...
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![Page 1: Introduction to Cells. Discovery Robert Hooke discovered the cell using a compound light microscope in 1653. What he saw looked like small boxes so he](https://reader035.vdocument.in/reader035/viewer/2022062804/56649e1a5503460f94b077fc/html5/thumbnails/1.jpg)
Introduction to Cells
![Page 2: Introduction to Cells. Discovery Robert Hooke discovered the cell using a compound light microscope in 1653. What he saw looked like small boxes so he](https://reader035.vdocument.in/reader035/viewer/2022062804/56649e1a5503460f94b077fc/html5/thumbnails/2.jpg)
Discovery
• Robert Hooke discovered the cell using a compound light microscope in 1653.
• What he saw looked like small boxes so he called them “CELLS”
![Page 3: Introduction to Cells. Discovery Robert Hooke discovered the cell using a compound light microscope in 1653. What he saw looked like small boxes so he](https://reader035.vdocument.in/reader035/viewer/2022062804/56649e1a5503460f94b077fc/html5/thumbnails/3.jpg)
The Cell Theory
1. The cell is the basic unit of structure and function for ALL of life.
2. All living organisms are composed of AT LEAST 1 cell.
3. EVERY cell comes from a pre-existing cell.
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Cell Organization
• There is a specific order to the way organisms are made up.
Cells Tissues Organs Organ System
Osteocytes Bone Tissue Bone Skeleton
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How do cells work?
• Cells are made of smaller working units– These are called ORGANELLES
– Each organelle has a specific function within the cell.– Each organelle contributes to the overall working of the
cell. Each one is VERY important!
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How do cells work?
• Each cell has a specific shape and size
• The shape and size of a cell relates to its function or job.
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Cell Size and Scale
• http://learn.genetics.utah.edu/content/cells/scale/