The Cell
Help!
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| What is the Cell Theory? |
1. All living things are made up of cells
2. The cell is the unit of structure and function of all living things
3. All cells come from prexisting cells
EXCEPTIONS: viruses, the first cell, mitochondria & chloroplast
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| What did Leewenhoek develope? | He developed the first microscope
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| What did Robert Hooke observe? | He observed cork under a microscope and said they looked like jail cells
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| What did Schleiden discover? | That all plants are made up of cells
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| What did Schwann discover? | That all animals are made up of cells
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| What did Rudolph Virchow study? | The reproduction of cells
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| What organelles do the plant cell that the animal cell does not? | Chloroplast and Cell Wall
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| Prokaryote | Organisms whose cells lack nuclei. ex./ bacteria
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| Eukaryote | organisms whose cells contain nuclei. ex./ plants, animals, fungi
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| What is the function of the Nucleus | Controls the center of the cell. Regulates and coordinates cell activities. Contains: DNA
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| What is the function of the Nuclear Membrane | Selects what enters and leaves the nucleus
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| What is the function of the Nucleolus | involved in production of RNA and ribosomes
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| What is the function of the Ribosomes | Site of protein synthesis. Free Ribosomes: float in cytoplasm. Attached Ribosomes: attached to rough ER
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| What is the function of the Cytoplasm | Everything between the cell membrane and nucleus
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| What is the function of the Vacuole | Stores water, food, nutrients, and wastes. (very large in plants)
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| What is the function of the Cell Membrane | Separates the cell from it's enviroment. Regulates what comes in and out. Transports, and communicates
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| What is the function of the Lysosome | Digests substances.
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| What is the function of the Mitochondria | Energy is created here through respiration
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