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Definition
| What is the smallest unit of life? |
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| Who first discovered cells? |
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| Who saw the first living cells? |
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| all plants are composed of cells |
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Definition
| What did Matthias Schleiden conclude? |
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| all animals are composed of cells |
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Definition
| What did Theodor Schwann conclude? |
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| animals arise only from animals and plants arise only from plants |
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Definition
| What did Rudolph Virchow conclude? |
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1. Cells are the basic units of life 2. All organisms are made of one or more cells 3. All cells arise from prexisting cells |
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Definition
| What are the 3 parts of the cell theory? |
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| There are over ____ types of cells in the human body alone. Their cell shape is related to their ______. |
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| Most cells are only ___-___um in diameter to ensure a high surface area to volume ratio. |
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| so that there is plenty of surface to allow functions to occur |
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Definition
| Why does cell surface area need to be so much larger than its volume? |
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- nuclear material - cell membrane - cytoplasm (ribosomes) |
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Definition
| What are the 3 basic features common to all types of cells? |
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Prokaryotic Bacteria Archea Eukaryotic Animalia Plantae Fungi Protista |
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Definition
Cells can be classified into what two basic categories? In which kingdoms would you find them? |
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Definition
| Fossil evidence suggests the earliest cells to live on our planet were which type? |
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