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| collection of living matter enclosed by a barrier that separates the cell from it surroundings; basic unit of all forms of life |
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| idea that all living things are composed of cells, cells are the basic unit of structure and function on living things and new cells are produced from existing things |
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| a large membrane-enclosed structure that contains the cell's genetic material in the form of DNA |
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| have a nucleus in which their genetic material is separated from the rest of the cell |
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| have genetic materials that is not contained in a nucleus |
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| specialized structure that performs important cellular functions within a eukaryotic cell |
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| material inside the cell membrane-not including the nucleus |
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| layer of two membranes that surrounds the nucleus of a cell |
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| general material visible within the nucleus; consists of DNA tightly coiled around the proteins |
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| threadlike structure within the nicleus containing the genetic information that is passed from one generation of cells to the next |
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| small, dense region within most nuclei in which the assembly of proteins begins |
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| small particle in the cell on which protwins are assembled; made of RNA and proteins |
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| internal membrane system in cells in which lipid compnents of the cell membrane are assembled and some proteins are modified |
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| stak of membranes in the cell that modifies, sorts, and packages proteins from the endoplasmic reticulum |
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| cell organelle filled with enzyme needed to break down materials in a cell |
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| cell organelle that stores materials such as water, salts, proteins, and carbohydrates |
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| cell organelle that converts the chemical energy stored in food into compounds that are more convenient for the cell use |
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| organelle found in cellls of plants and some other organisms that captures the energy from sunlight and converts it into chemical energy |
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| network of protein filaments within some cells that helps the cell maintain its shape and is involved in many forms of cell movement |
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| one of two tiny structures located in the cytoplasm of animal cells near the nuclear envelope |
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| all cells surrounded bu a thin, flexible barrier |
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| many cells produce a strong supporting layer around the membrane |
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| the composition of nearly all cell membranes is a double-layered sheet |
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| the mass of solute in a given volume of solution or mass/volume |
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| when particles move from a more concentrated area to a less concentrated area |
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| when the concentration of the solute is the same throughout a system |
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| the diffusion of water through a selectively permeable membrane |
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| "same strength" when the concentration of two solutions is the same |
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| when comparing two solutions, the solution with the greater concentration solutes |
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| when comparing two solutions, the solution with lesser concentration of solutes. |
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| movement of specific molecules across cell membranes through protein channels |
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| energy-requiring process that moves material across a cell membrane agailnst a concentration difference |
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| the process of taking material into the cell means of infoldings, or pockets, of the cell membrane. |
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| process in which extensions of cytoplasm surround and engulf large particles and take them into the cell |
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| process by which a cell takes in liquid from the surrounding environment |
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| process by which a cell releases large amounts of materials |
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| cells through-out an organism can develop in different ways to perform different tasks |
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| a group of similar cells that perform a particular function |
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| group of tissues that work together to perform closely related functions |
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| a group of organs that work together to perform a specific function |
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