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Published byBuck Gregory Modified over 6 years ago
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Station 1 Cell theory says all living organisms are made up of cells, cells are the basic units of life, and new cells come from existing cells. Robert Hooke, looking at cork! 10x x 10x = 100x Total Power Magnification Eyepiece Objective Lens
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Station 2 A Prokaryotic cell is a simple cell lacking membrane bound organelles. Example=bacteria Eukaryotic cells are complex, with a nucleus and membrane bound organelles. Example=plant cell, animal cell, some unicellular organisms Common Traits: Cell membrane, cytoplasm, ribosomes, DNA Characteristics of Prokaryotic Cells Characteristics of Eukaryotic Cells Simple Small Size Circular DNA Lack of membrane-bound organelles Double Helix DNA Complex Larger Size Presence of membrane-bound organelles
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Station 3 Nucleus Lysosome Nucleus-controls cell function; lysosome-enzymes break down waste; mitochondria-produces ATP energy; Ribosome-makes proteins; Membrane-lets things in and out of cell; cytoplasm-jelly substance containing organelles Mitochondria Cell Membrane Ribosome Cytoplasm
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Station 4 Ribosomes Nucleus Most organelles same as anima cell. Additional include: Vacuole (large)-found in both, but much larger in plants to provide support; Cell wall-rigidity and support; chloroplast-performs photosynthesis Vacuole Cell Membrane Mitochondria Cell Wall Chloroplast Cytoplasm
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Station 5 Folded membranes provide extra surface area for mitochondria to produce ATP. Muscle cell might have more mitochondria because muscles use more energy. Leaves will have more chloroplasts because it is absorbing sunlight. Cells can be specialized to carry out certain functions. Plant: Chloroplast Vacuole (one large) Cell Wall Both: Nucleus Cell membrane Mitochondria Ribosomes Cytoplasm Animal: Lysosome Vacuole (many small)
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Station 6 Pseudopod Cilia Organisms move in response to chemicals to avoid poison, seek glucose, etc. Phototaxis. Positive=moving toward light. Negative=moving away from light. Because they will bend toward the light! Eyespot Flagella Contractile Vacuole
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