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Cell Structure

TermDefinition
Organelle A tiny cell structure that carries out a specific function within the cell.
Cell wall A rigid layer of nonliving material the surrounds the cells of plants and some other organisms.
Cell membrane A cell structure that controls which substances can enter or leave the cell.
nucleus A cell structure that contains nucleic acids.
Cytoplasm The region between the cell membrane and the nucleus.
Mitochondria A rod-shaped cell structure that converts energy in food molecules to energy the cell. can use to carry out its functions.
Endoplasmic Reticulm A cell structure that forms a maze of passageways in which proteins and other materials are carried.
Cell the basic unit of structure and funtion in living things.
Microscope An insturment that makes small objects look larger.
Cell theory A widely accepted explanation of the relationship between cells and living things.
Element Any substance that cannot be broken down into simpler substances.
Compound Two or more elements that are chemically combined.
Carbohydrate Energy-rich oranic compound, such as a sugar or a starch that is made of the elements carbon, hydrogen, and oxygen.
Protein Large,organic molecule made of carbon,hydrogen,oxygen,nitrogen,and sometimes sulfur.
Amino acid A small molecule that is linked chemically to other amino acids to form proteins.
Enzyme A type of protein that speeds up a chemical reaction in a living thing.
Lipid Energy-rich organic compound,such as a fat, oil,or wax.
Nucleic acid Very large organic molecule made of carbon,oxygen,hydrogen,nitrogen,and phosphorus.
DNA Deoxyribonucleic acid; the genetic material that carries info about a organism.
RNA Ribonucleic acid; a nucleic acid that plays an important role in the production of production.
Selectively Permeable A property of cell membranes.
Diffusion The process by which molecules move from an area of higher concentration to an area of lower concentration.
Osmosis The diffusion of water molecules.
Passive transport The movement of material.
Active transport The movement of material.
Created by: annacrosby
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