a set of propositions describing the operation and causes of natural phenomena.s describing the operation and causes of natural - Theory, Describes where the term cell and the other basic information about the cell came from. - Cell Theory, Basic unit of life - Cell, One cell - Unicellular organism, Many cells - Multicellular organism, First simple microscope - Hans and Zacharias Jansen 1590, Gave the term cell for it's box like structure - Robert Hooke, Found different types of cell in rainwater using a more powerful microscope - Anton Van Leeuwenhoek, Stated that plants are composed of cells - Matthias Schleiden, All animals are composed of cells - Theodore Schwann, All living things are made up of cells - Schwann and Schleiden, All living cells come from pre existing cells - Rudolf Virchow, First cell theory - 1. All living things are structurally made up of cells., Second cell theory - 2. The cell is the fundamental unit of life., Third cell theory - 3. Cells come from the division of preexisting cells., Seperates the internal contents of the cell from it's environment - Cell membrane, Organelles are found, jelly like substance - Cytoplasm, Control center that regulates and coordinates all activities of the cell - Nucleus, DNA that make up the gene that bears the heredity traits - Chromosomes, Sites for the breakdown of sugar molecules into ATP - Mitochondria, Site of protein synthesis - Ribosome, ATP - Adenosine Triphosphate, Transports lipids and membrane proteins - Endoplasmic Reticulum, Modify, sort, pack macromolecules for secretion or transport to other organelles. - Golgi Apparatus, Digestive enzymes. Destruction or repair of defective parts of the cell is another function. - Lysosomes, Oxidizes certain molecules to form hydrogen peroxide. Converts fatty acids into sugars needed by growing seedlings. - Peroxisomes, Large storage sacs in cells - Vacuoles, Smaller storage sacs of cells - Vesicles, Two rod shaped centrioles. Replicates before cell division. Forms spindle fibers - Centrosome, Cell's structural support. Responsible for shape and motility. - Cytoskeleton, Large membrane bound organelles found in plant cells - Plastids, Green colored plastid - Chloroplast, Colored plastids other than green. Red, orange, and yellow - Chromoplasts, Colorless plastids, contains stored food - Leucoplast, Shape of animal cell - Round, Shape of plant cell - Rectangular,

W1: The Cell Theory, Structure, and Functions

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