Biology
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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| Cell Theory | all living things are composed of one or more cells
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| cell membrane | a cells outer covering
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| cytoplasm | a gelatinlike substance within a cell
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| hereditary material | the passing of traits from parents to offspring
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| red blood cell | a cell that can change shape in your bloodstream
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| nerve cell | a cell that can not change shape
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| prokaryote | only in bacteria
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| Eukaryote | in all but bacteria
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| cell wall | gives a plant support and protects its cells
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| cellulose | a carbohydrate in cell walls
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| pectin | used in jam and jelly
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| lignin | a compound that makes cell walls rigid
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| proteins | regulates cell processes and build structures
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| cytoskeleton | network of fibers in cytoplasm
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| cytoskeleton | gives cells structure and helps them maintain shape
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| organelles | tiny organs
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| nucleus | controls all of the cells activities
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| DNA | the chemical that determines everything about a cell
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| chromosones | protein tightly wrapped in hereditary material
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| nucleolus | a structure found in the nucleus
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| chloroplasts | green organelle that makes food
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| chlorophyll | makes chloroplasts green
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| mitochondria | the powerhouse of the cell
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| ribosome | proteins of small structures
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| rough ER | attached ribosomes
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| smooth ER | no attached ribosomes
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| endoplasmic reticulum | folded layers of membrane that function as a transportation system
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| lysosomes | garbage disposals
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| organ system | a group of organs working together to perform a specific function
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| organ | a structure made up of two or more different structures
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| tissue | a group of similar cells that work together to perform one job
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| Cardiovascular system | heart, arteries,veins, and capillaires
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| simple microscope | has only one lens
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| compound light microscope | has two sets of lenses
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| SEM Electron Microscope | sweeps electrons over a specimens surface causeing it to emit its own electrons
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| TEM electron microscope | aims a beam of electrons through a specimen
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| STM electron microscope | shows the arrangement of atoms on the surface of a molecule
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| magnification | the process of visually enlarging the size of an object
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| cell theory | all cells come from other cells
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| cell theory | all organisms consist of one or more cells
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| cell theory | the cell is the basic unit of life
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| Gene therapy | prevention of a hereditary disease by removing of the genes that contain it
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| Robert Hooke | first to view cells
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| Anton van Leeuwenhoek | made a simple microscope with a glass bead
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| Matthias Schleiden | concluded that all plants are made of cells
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| Theodor Schwann | concluded that all animals are made of cells
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| carbohydrates | organic molecules that supply energy for cell processes
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| human egg cell | the cell that controls human reproduction
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| bacteria | prokaryotic single celled organism
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| Edward Jenner | developed the first vaccine
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| Rudolf Virchow | discovered how cells multiply
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Created by:
lin122