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... Read pages 184-189 Answer the following questions: 1. What are some of the functions of the cell membrane? 2. What is diffusion? Does it move from a high to low concentration, or a low to high concentration? 3. What is osmosis? 4. What does it mean to be selectively permeable? 5. Describe the basic ...
The Human Cell poster
The Human Cell poster

... The centrosome is a small and distinct organelle responsible for organizing microtubules in the cell. It consists of two centrioles, which are surrounded by a matrix of proteins named the “pericentriolar material.” The centrosome is a key regulator of cell division and also important for cell shape, ...
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... – Can capture food or absorb nutrients – Also contains chloroplasts, so photosynthetic ...
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Cell City Analogy 2
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... necessary for the cell to survive. Imagine the cell as a miniature city. The organelles might represent companies, places or parts of the city because they each have similar jobs. Below are the descriptions of important parts of the Cell City: A. City Limits/Police Department - control what goes in ...
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The Cell Notes WP

... • 1838 Matthias Schleiden - concluded that plants are made of cells • 1839 Theodor Schwann - concluded that animals are made of cells. • 1855 Rudolph Virchow - proposes that cells come from existing cells • 1931 Janet Plowe - demonstrates that the cell membrane in a physical structure not just an in ...
Cell Organelle Webquest
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... – Osmosis exerts a pressure known as ____________________________on the hypertonic side of a membrane….This could results in a cell bursting – Bursting not so much a problem in larger organisms….tend to be in isotonic environments • Osmotic pressure may not allow a plant or bacterial cell to burst , ...
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Cell Structures and Functions Packet

... Site of protein synthesis; suspended in the cytosol; produces proteins for use within the cell Membrane bound sac of hydrolytic enzymes; enzymes are used to digest food, other molecules, and old, worn out cell parts Contains most of the genes that control the eukaryotic cell; generally the most cons ...
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... The basic processes necessary for living things to survive are the same for a single cell as they are for a more complex organism.  A single-celled organism has to conduct all life processes by itself.  A multi-cellular organism has groups of cells that specialize to perform specific functions. ...
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... 4. Mitochondria- makes energy for the cell; “powerhouse” of cell 5. Cytoplasm- Is a gelatin-like substance that is made of water 6. Chloroplast- green organelle where photosynthesis takes place. 7. Cell Wall- Provides support and protection around the plant cell membrane 8. Chromosomes-Are in the nu ...
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6 Kingdoms - Denton ISD

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Flagellum



A flagellum (/fləˈdʒɛləm/; plural: flagella) is a lash-like appendage that protrudes from the cell body of certain prokaryotic and eukaryotic cells. The word flagellum in Latin means whip. The primary role of the flagellum is locomotion but it also often has function as a sensory organelle, being sensitive to chemicals and temperatures outside the cell. Flagella are organelles defined by function rather than structure. There are large differences between different types of flagella; the prokaryotic and eukaryotic flagella differ greatly in protein composition, structure, and mechanism of propulsion. However, both are used for swimming.An example of a flagellate bacterium is the ulcer-causing Helicobacter pylori, which uses multiple flagella to propel itself through the mucus lining to reach the stomach epithelium. An example of a eukaryotic flagellate cell is the mammalian sperm cell, which uses its flagellum to propel itself through the female reproductive tract. Eukaryotic flagella are structurally identical to eukaryotic cilia, although distinctions are sometimes made according to function and/or length.
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