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Chapter 3 Crossword Challenge

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Across
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a membrane-bound compartment or sac within a cell
3
the instrument that magnifies an object
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the group of organelles and membranes in eukaryotic cells that work together to modify, package, and transport lipids and proteins
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a process that takes macromolecules that the cell needs from the extracellular fluid; a variation of endocytosis
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a model of the structure of the plasma membrane as a mosaic of components, including phospholipids, cholesterol, proteins, and glycolipids, resulting in a fluid rather than static character
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a gradient produced by the combined forces of the electrical gradient and the chemical gradient
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a process that takes solutes that the cell needs from the extracellular fluid; a variation of endocytosis
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the amount of solute in a solution.
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a channel that passes between the cell walls of adjacent plant cells, connects their cytoplasm, and allows materials to be transported from cell to cell
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a process by which material moves down a concentration gradient (from high to low concentration) using integral membrane proteins
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the method of transporting material that requires energy
Down
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the cell organelle that houses the cell’s DNA and directs the synthesis of ribosomes and proteins
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an area of high concentration across from an area of low concentration
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the characteristic of a membrane that allows some substances through but not others
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the transport of water through a semipermeable membrane from an area of high water concentration to an area of low water concentration across a membrane
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a method of transporting material that does not require energy
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describes a solution in which extracellular fluid has lower osmolarity than the fluid inside the cell
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a type of active transport that moves substances, including fluids and particles, into a cell
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describes a solution in which the extracellular fluid has the same osmolarity as the fluid inside the cell
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a substance dissolved in another to form a solution