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22 Cards in this Set
- Front
- Back
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plasma membrane or cell membrane
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-Cells outer boundary
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cytoplasm
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The region of the cell that is within the plasma membrane and that includes the fluid, the cytoskeleton and all of the organelles except the nucleus
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cytosol
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The part of the cytoplasm that includes molecules and small particles but not membrane-bound organelles.
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nucleus
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-The membrane bound structure that contains the cells DNA.
-Control center -Instructions are made here. |
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prokaryote
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1. 1st kind of cell that has been around
2. small and simple 3. one cell 4. no nucleus 5. no membrane-bound organelle 6. 2 kinds of cells are bacteria and archea |
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eukaryote
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1. animals and plants
2. have more than 1 cell 3. nucleus 4. membrane-bound organelle 5. size difference |
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organelle
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Eukaryotic cells also have a variety of sub-cellular structures that are intracellular bodies that perform specific functions for the cell.
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tissue
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A group of similar cells and their products that carry out a specific function
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organ
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Groups of tissues that perform a particular job in an organism
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organ system
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Is a group of organs that accomplish related tasks.
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Cells are limited in size by the ?
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rate at which substances needed by the cell can enter the cell through its surface.
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The diameter of most plant and animal cells is about how long?
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10 to 50 um.
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The characteristics of a nerve cell that realtes directly to its function in receiving and transmitting nerve impulses is its?
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long extensions
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One difference between eukaryotic and prokaryotic cells is that only ?
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Eukaryotic cells have membrane-bound organelles.
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How is the shape of a skin cell suited to its function?
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Its flat platelike shape covers and protects the body's surface.
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How are the organelles of a single cell like the organs of a multicellular organism?
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Just as organs carry out the organism's life functions, organelles maintain the life of the cell.
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Name two features of eukaryotic cells that prokaryotic cells lack.
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Eukaryotic cells have a membrane-bound nucleus and membrane-bound organelles.
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T or F
Everything that happens in one cell may not happen in every other cell? |
false
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Bacteriology is the study of what?
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Bacteria
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Cytologist is the person who studies what?
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cells
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Microbiologist is the person who studies what?
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organisms
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___________________ is from animals to help the membrane to function better.
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Cholesterol
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