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14 Cards in this Set
- Front
- Back
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The movment of particles from region of higher density to regions of lower density.
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Diffusion
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the diffusion of water througha semi-permable membrane
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osmosis
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the movement of substances across a cell membrane that requires the cell to use energy
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passive transport
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the movement of substances across the cell membrane that requires the cell to use energy
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actice transport
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the process by which a cell membrane surronds a particle and encloses the particle in a vesicle to bring the particle into the cell
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endocytosis
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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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exocytosis
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the process by which plants,algea,and some bacteria use sunlight, CO2 and H2O to make food.
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photosynthesis
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the process by which cells use oxygen to produce energy from food
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cellular respiration
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the breakdown of food without the use of oxygen
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fermentation
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the life cycle of a cells
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cell cycle
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in a eukaryotic cell one of the structures in the nucleaus that are made up of DNA and protein; in a prokaryotic cell, the main ring of DNA.
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chromosome
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chromosomes that have the same sequence of genes and the same structure
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homologous chromosomes
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in eukaryotic cells, a process of cell division that forms two new nuclei, each of which has the same number of chromosomes
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mitosis
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the division of the cytoplasm of a cell
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cytokinesis
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