Cell Theory
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What are the three parts of the cell theory? | 1) Every living thing is made of one or more cells
2) Cells are the basic units of structure that carry out the functions needed to support life
3) Cells come only from other living cells
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| What did Hooke do? | Hooke gave the cell its name while looking at cork.
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| What did Schwann do? | Schwann was the first to conclude that all animals are made of cells.
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| What did Leeuwenhoek do? | Leeuwenhoek was one of the first people to describe living cells. He studied pond water under a microscope.
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| What did Schleiden do? | Schleiden concluded that all plants are made of cells.
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| What did Virchow do? | Virchow determined that all cells must come from preexisting cells.
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| Organelle | part of a cell
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| structure | how something is built, what it looks like
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| function | what something does, it's purpose
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| prokaryote | single celled organism with no nucleus or mitochondria ex. bacteria
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| eukaryote | single or multi celled organisms that contain nucleus, mitochondria ex, protista, fungi, plants, animals
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| unicellular | one celled organism
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| multicellular | many celled organism
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| cell membrane | separates the cell from the outside environment; allows some substances to go in or out; prevents some substances from going in or out
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| mitochondria | "power plant" that takes glucose and oxygen and makes ATP energy
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| nucleus | control center; contains DNA
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| vacuole | temporary storage areas for water, food, or waste
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| lysosome | helps break down unwanted cell parts and substances from outside the cell
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| golgi bodies | packages proteins and large molecules to use in the cell or to secrete outside the cell
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| Endoplasmic reticulum | transports proteins around the cell
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| cytoplasm | gel-like substance in the cell that store chemicals and carry out life processes
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| ribsomes | produces proteins (found in cytoplasm or on rough ER)
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| choroplasts | produces glucose - found only in plant cells
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| cell wall | the rigid structure that surrounds plant cells and provides shape and support
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