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The Cell

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107736541PhotosynthesisThe chemical process where plants use the sun's energy to produce sugars (food).
107736542Cell Membranea thin, phospholipid bilayer, membrane around the cytoplasm of a cell that regulates what enters and exits the cell.
107736543EukaryoteA cell that contains a nucleus and membrane bound organelles.
107736544Nucleolusstructure inside the nucleus, where ribosomes are made.
107736545Endoplasmic reticuluma cell structure that forms a maze of passageways in which proteins and other materials are carried from one part of the cell to another.
107736546Chloroplastorganelle found in some plant cells and certain unicellular organisms where photosynthesis takes place.
107736547Selective permeabilitya process in which a membrane allows some molecules to pass through while keeping others out.
107736548Passive TransportThe movement of materials through a cell membrane without using energy.
107736549Autotrophan organism that makes its own food.
107736550Cellular Respirationthe process by which cells use oxygen to produce energy from food.
107736551InterphaseThe stage of the cell cycle that takes place before cell division occurs; during this stage, the cell grows, copies its DNA, and prepares to divide.
107736552AnaphaseThe stage of meiosis or mitosis when chromosomes move toward opposite ends of the nuclear spindle (third step).
107736553CellThe basic unit of structure and function in living things.
107736554NucleusThe organelle that contains the DNA and controls the processes of the cell.
107736555OrganelleMembrane bound structure inside a cell that performs a specific function.
107736556MicrotubuleThin, hollow cylinders made of protein that provide structural support for eukaryotic cells.
107736557Golgi AppartusOrganelle that packages and distrubutes molecules produced by the eurokaryotic cell.
107736558MitochondrionAn organelle that is the main site of energy conversion through cellular respiration.
107736559OsmosisDiffusion of water through a selectively permeable membrane from a high concentration to a low concentration.
107736560TissueGroup of similar cells that work together to do one job.
107736561HeterotrophOrganism that obtains food by eating other organisms.
107736562AnaerobicProcess that does not require oxygen.
107736563TelophaseThe final stage of mitosis or meiosis during which a nuclear membrane forms around each set of new chromosomes.
107736564CytokinesisDivision of the cytoplasm during cell division.
107736565Cell TheoryStates that all organisms are made up of one or more cells, the cell is the basic unit of life, and all cells come from other cells.
107736566CytoplasmA jelly-like fluid inside the cell in which the organelles are suspended.
107736567ChromatinLong strands of DNA wrapped around proteins.
107736568MicrofilamentSolid rod of protein, thinner than a microtubule, that enables a cell to move or change shape.
107736569LysosomeA cell organelle that contains digestive enzymes.
107736570ConcentrationA measure of the amount of solute dissolved in a solvent.
107736571Facilitated DiffusionWhen substances transport across cell membranes using protein carrier molecules.
107736572Organa collection of tissues that carry out a specialized function of the body.
107736573Chlorophyllgreen pigment in the ch that absorbs light energy used to carry out photosynthesis.
107736574AerobicProcess that requires oxygen.
107736575ProphaseThe first phase of mitosis. During prophase the replicated chromosomes condense, the spindle is formed, and the nuclear envelope breaks apart into vessicles.
107736576Cell WallStrong outermost layer around the cell membrane of ONLY plants and some bacteria.
107736577ProkaryoteA unicellular organism that lacks a nucleus and membrane bound organelles
107736578ChromosomeA coiled structure in the nucleus that contains hereditary material.
107736579RibosomeA tiny structure in the cytoplasm of a cell where proteins are made.
107736580VacuoleA water-filled sac inside a cell that acts as a storage area.
107736581DiffusionMovement of particles from an area of high concentration to an area of lower concentration.
107736582Active TransportThe movement of materials through a cell membrane using energy.
107736583Organ SystemA group of organs that work together in performing vital body functions.
107736585MitosisThe process of cell division in which the nucleus divides to form two identical nuclei.
107736586MetaphaseThe stage of mitosis and meiosis, during which all of the chromosomes move to the cell's equator.

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