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| collection of living matter enclosed by a barrier that separates the cell from its surrounding;basic unit of all forms of life. |
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| idea that all iving things are composed of cells,cells are the basic units of structure and function in living things,and new cells are produced from existing cells. |
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| the center of the atom which contains the protons and neutrons;in cells,structure that contains the cell's genetic material(DNA)and controls the cell's activities. |
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| organsim whose cell contain nuclei. |
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| unicellular organism lacking 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 membrane that surrounds the nucleus of a cell. |
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| granular material visible within the nucleus;consists of DNA tightly colied around protiens. |
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| threadlike structure within the nucleus containg the genetic information that is passed from one generation of cells to the next. |
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| oranelle found in cells of plants and some other organisms that captures the energy from sunlight and converts it into chemical energy. |
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| network of protien filaments within some cells that helps the cell maintain its shape and is involed in many forms of cell movement. |
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| small,dense region within most nuclei which the assembly of protiens begins. |
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| small particle in the cell on which protiens are assembled;made of RNA and protien. |
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| internial membrane system in cells in which lipid components of the cell membrane are assembled and some protiens are modified. |
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| stack of membranes in the cells that modifies,sorts,and packages protiens from the endoplasmic reticulum. |
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| cell organelle filled with enzymes needed to break down certain materials in the cells. |
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| cell organelle that stores materials such as water,salts,protiens,and carbohydrates |
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| cell organelle that converts the chemical energy srored in food into compounds that are more convenient for the cell to use. |
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| one of two tiny structures located in the cytopalsm of animal cells near the nuclear envelope. |
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| thin,flexible barrier around a cell; regulates what enters and leaves the cell. |
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| strong supporting layer around the cell membrane in plants,algae,and,some bacteria. |
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| the mass of solute in a given volume of sloution,or mass/vloume. |
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| double layered sheet that forms the core of nearly all cell membranes. |
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| process by which molecules tend to move from an area where they are more concentrated to an area where they are less concentrated. |
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| when the concentration of a solute is the same throughout a solution. |
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| diffussion of water through a selectively permeable membrane. |
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| when the concentration of two dolutions is the same. |
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| when comparing two solutions,the solution with the greater concentration of solutes. |
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| when comparing two solutions,the solution with the lesser concentration of solutes. |
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| movement of specific molecules across cell membranes through protien channels. |
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| energy-requiring process that moves matrial across a cell membrane against a concentration diffrence. |
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| process by which a cell takes material into the cell by infolding of the cell membrane. |
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| process by which a cell releases large amounts of material. |
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| process in which extensions of take them into the cell.cytoplasm surround and engulf large particles and |
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| process by which a cell takes in liquid from the surrouning enviroment. |
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| the process in which cells devlop in different ways to perform different tasks. |
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| group of similiar 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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| group of oragans that work together to perform a specific function. |
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