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15 Cards in this Set
- Front
- Back
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Word
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Definition
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Diffusion
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the movement of particles from regions of higher density to regions of lower density
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Osmosis
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the diffusion of water through a semipermeable membrane
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Passive Transport
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the movement of substances across a cell membrane without the use of energy by the cell
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Active Transport
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the movement of substances across the cell membrane that requires the cell to use energy
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Endocytosis
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the process by which a cell membrane surrounds a particle and encloses the particle in a vesicle to bring the particle into the cell
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Exocytosis
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the process in which a cell releases a particle by enclosing the particle in a vesicle that then moves to the cell surface and fuses with the cell membrane
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Photosynthesis
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the process by which plants,algae,and some bacteria uses sunlight,carbon dioxide, and water to make food
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Cellular Respiration
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the process by which cells use oxygen to produce energy from food
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Fermentation
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the breakdown of food without the use of oxygen
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Cell Cycle
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the life cycle of a cell
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Chromosome
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in an eukaryotic cell, one of the structures in the nucleus that are made up of DNA and proteins
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Homologous chromosomes
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chromosomes that have the same sequence of genes and the same structure
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Mitosis
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in eukaryotic cells, a process of cell division that forms two new nuclei
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Cytokinesis
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the division of the cytoplasm of the cell
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