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HISTORY OF CELL DISCOVERY
Early 1600s Late 1600s 1665 1830s Rudolph Virchow: Looked at Invented 1) 2) Zoologist that said: Botanist that said: and called them The cell is the basic unit of life Anton Van Leeuwenhoek Hans & Zaccharias Janssen Pond water Matthais Schleidan All living things are made of 1+ cells Plants are made of cells Cells Also looked at Leads to Cell Theory: 1) 2) 3) Theordor Schwann All cells come from pre-existing cells Used hand lenses to assess cloth quality Robert Hooke High quality lenses First light microscope “Animalcules” And called the swimming microbes: Physician that studied cancer Thin slices of cork Invented 1st crude microscope Animals are made of cells
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Word Bank No nucleus Molecules Has Membrane-bound organelles Word Bank Animals Plants Fungi Protists Simple Complex Evolved first Evolved later Bacteria CELL TYPES Prokaryote Has Nucleus Eukaryote Cells fall into two basic categories: No membrane-bound organelles Have the following basic characteristics: Have the following basic characteristics: Example (1): 1) 2) 3) 4) 1) 2) 3) 4) Examples (4): Can
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COMPARE PLANT, ANIMAL, AND PROKARYOTIC CELLS
PLANT CELLS ANIMAL CELLS Flagella Lysosomes DNA Nucleus/Nucleolus/Nuclear Membrane Ribosomes Cytoplasm Cell Membrane Cell Wall Vesicles Large Central Vacuole Mitochondria Cilia Chloroplasts Golgi Apparatus Centrioles Rough & Smooth ER Capsule Pili PROKARYOTE CELLS
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< < < < < < < < CELL ORGANIZATION LARGEST
created by joining cells that have similar function or structure Basic unit of life, stated in Cell Theory group of tissues that perform a specific function or groups of functions collection of organs that perform a specific function Unicellular means: Multicellular Means: Word Bank: Organism Tissue One-cell Organ Cell Circulatory System Red Blood Cell “Many cells” Heart Human Epithelial Tissue More complex on individual level; perform all life functions Less complex on individual level; specialized perform diff. tasks Example organization: < < < <
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LABEL THIS ANIMAL CELL:
Word Bank: Mitochondria Ribosomes Vacuole Golgi Apparatus Cyotplasm Cell Membrane Nuclear Membrane Nucleus Nucleolus Endoplasmic Reticulum Site where DNA is found Vesicle
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LABEL THIS PLANT CELL: Word Bank: Mitochondria Ribosomes
Central Vacuole Golgi Apparatus Cytoplasm Chloroplast Cell Membrane Nuclear Membrane Nucleus Nucleolus Cell Wall Endoplasmic Reticulum Site where DNA is found
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ORGANELLE MATCH UP a. cell wall b. cell (plasma) membrane c. nucleolus d. nucleus e. mitochondria f. ER g. Lysosome h. Ribosome i. organelles j. Cytoskeleton k. Golgi Body l. nuclear membrane m. DNA n. Vacuole o. Chloroplast p. Flagellum q. Cilia r. Centrioles s. Cytoplasm t. nuclear area
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