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Biology Vocabulary Words

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Question
Answer
Biology   show
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Cells   show
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Evolution   show
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show Process by which organisms make more of their own kind from one generation to the next.  
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show The sum of all chemical reactions carried out in an organism.  
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show The maintenance of a stable internal environment.  
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Gene   show
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show The passing of traits from parent to offspring.  
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show A change in the DNA of a gene.  
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show A group of genetically similar organisms that can produce fertile offspring.  
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show Process in which organisms with favorable genes are more likely to survive to reproduce.  
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show The branch of biology that studies the interactions of ogranisms with one another and with nonliving part of their environment.  
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show The complete genetic material contained in an individual.  
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show A virus that attacks and destroys the human immune system.  
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Cancer   show
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Cystic Fibrosis   show
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Gene Therapy   show
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Observation   show
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Hypothesis   show
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Prediction   show
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show A relative measure of the hydrogen ion concentration within a solution.  
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Experiment   show
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show The smallest unit of an element that maintains the properties of that element.  
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Element   show
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Compound   show
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show The smallest unit of a substance that keeps all of the physical and chemical properties of that substance; it can consist of one atom or two or more atoms bonded together.  
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Ion   show
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Cohesion   show
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Adhesion   show
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Solution   show
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show Any compound that increases the number of hydronium ions when dissolved in water; acids turn blue litmus paper red and reacts with bases and some metals to form salts.  
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show Any compound that increases the number of hydroxide ions when dissolved in water; bases turn red litmus paper blue and react with acids to form salts.  
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Carbohydrate   show
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show A simple sugar that is the basic subunit of a carbohydrate.  
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show A type of biochemical that does not dissolve in water, including fats and steroids; lipids store energy and make up cell membranes.  
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Protein   show
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Amino Acid   show
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show An organix compound, either RNA or DNA, whose molecules are made up of one or two chains of nucleotides and carry genetic information.  
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show In a nucleic-acid chain, a subunit that consists of a sugar, a phosphate, and a nitrogenous base.  
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DNA   show
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RNA   show
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show adenosine triphosphate, is a single nucleotide with two extra energy-storing phosphate groups  
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show the capacity to do work.  
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Activation Energy   show
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show A type of protein that speeds up metabolic rxns in plants and animals without being permanently changed or destroyed.  
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Substrate   show
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Active Site   show
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show A microscope that uses a beam of visible light passing through one or more lenses to magnify an object.  
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show A microscope that fouses a beam of electrons to magnify objects.  
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Magnification   show
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Resolution   show
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Scanning Tunneling Microscope   show
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Cell Theory   show
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show A phospholipid layer that covers a cell's surface and acts as a barrier between the inside of a cell and the cell's environment.  
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show The region of the cell within the membrane that includes the fluid, the cytoskeleton, and all of the organelles except the nucleus.  
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show The cytoplasmic network of protein filaments that plays an essential role in cell movement, shape and division.  
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Ribosome   show
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Prokaryote   show
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Cell Wall   show
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Flagellum   show
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show An organism made up of cells that have a nucleus enclosed by a membrane, multiple chromosones, and a miotic cycle; eukaryotes include animals, plants and fungi but not bacteria or cyanobacteria.  
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show In a eukaryotic cell, biology, a membrane-bound organelle that contains the cell's DNA and that has a role in processes such as growth, metabolism and reproduction.  
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Organelle   show
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show A hairlike structure arranged in tightly packed rows that projects from the surface of some cells.  
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Phospholipid   show
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show The basic structure of a biological membrane, composed of two layers of phospholipids.  
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Endoplasmic Reticulum   show
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Vesicle   show
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Golgi Apparatus   show
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Lysosome   show
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show In eukaryotic cells, the cell organelle that is surrounded by two membranes and that is the site of cellular respiration, which produces ATP.  
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show An organelle found in plant and algae cells where photosynthesis occurs.  
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show A large cavity or sac that is found in plants or protozoans and that contains air or partially digested food.  
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Passive Transport   show
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show A difference in the concentration of a substance across a distance.  
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show In chemistry, the state in which a chemical reaction and the reverse chemical reaction occur at the same rate such that the concentrations of reactancts and products do not change.  
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show The movement of particles from regions of higher density to regions of lower density.  
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Osmosis   show
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Hypertonic Solution   show
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Hypotonic Solution   show
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Isotonic Solution   show
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show A pore in a cell membrane through which ions can pass.  
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Carrier Protein   show
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show The transport of substances through a cell membrane along a concentration gradient with the aid of carrier proteins.  
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show The movement of chemical substances, usually across the cell membrane, against a concentration gradient; requires cells to use energy.  
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show A carrier protein that uses ATP to actively transport sodium ions out of a cell and potassium ions into the cell.  
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Endocytosis   show
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Exocytosis   show
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show A protein that binds specific signal molecules, which causes the cell to respond.  
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show A molecule that is generated when a specific substance attaches to a receptor on the outside of a cell membrane, which produces a change in cellular function.  
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show The process by which plants, algae, and some bacteria use sunlight, carbon dioxide and water to produce carbohydrates and oxygen.  
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show An organism that produces its own nutrients from inorganic substances or from the environment instead of cosuming other organisms.  
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Heterotroph   show
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Cellular Respiration   show
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show A substance that gives another substance or mixture its color.  
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show A green pigment that is present in most plant cells, that gives plants their characteistic green color, and that reacts with sunlight, carbon dioxide and water to form carbohydrates.  
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show A class of pigments that are present mostly in plants and that aid in photosynthesis.  
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show A membrane system found within chloroplasts that contains the components for photosynthesis.  
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Electron Transport Chain   show
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NADPH   show
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show The synthesis of organic compounds from carbon dioxide, such as in photosynthesis.  
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Calvin Cycle   show
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show Describes a process that requires oxygen.  
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show Describes a process that does not require oxygen.  
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show The anaerobic breakdown of glucose pyruvic acid, which makes a small amount of energy available to cells in the form of ATP.  
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NADH   show
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show A series of biochemical reactions that convert pyruvic acid into carbon dioxide and water; it is the major pathway of oxidation in animal, bacterial and plant cells and it releases energy.  
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FADH2   show
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Fermentation   show
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