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Definition
| compound that donates hydrogen ions (H+) |
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Definition
| energy that is needed to enable a reaction |
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Definition
| force of attraction between different kinds of molecules |
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| compound with an amino group on one end and a carboxyl group on the other end |
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Definition
| metabolic reaction that involves the buildup of larger molecules from smaller ones |
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Definition
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Definition
| compound that accepts hydrogen atoms (H+) |
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Definition
| particular preference or point of view that is personal, rather than scientific |
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Definition
| the study of the chemistry of living things |
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Definition
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Definition
| compound that prevents sudden, sharp changes in pH |
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Term
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Definition
| compound made up of carbon, hydrogen, and oxygen atoms; type of nutrient that is the major source of energy for the body |
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Definition
| metabolic reaction that involves the breakdown of larger molecules into smaller ones |
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Term
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Definition
| substance that speeds up the rate of a chemical reaction |
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Term
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Definition
| process that changes, or transforms, one set of chemicals into another set of chemicals |
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Term
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Definition
| attraction between molecules of the same substance |
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Term
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Definition
| substance formed by the chemical combination of two or more elements in definite proportions |
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Term
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Definition
| group in an experiment that is exposed to the same conditions as the experimental group except for one variable |
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Term
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Definition
| experiment in which only one variable is changed |
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Definition
| type of bond between atoms in which the electrons are shared |
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Term
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Definition
| trait characterized by thinking and actions that emphasize new concepts, ideas, or objects that have not been made previously |
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Term
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Definition
| evidence; information gathered from observations |
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Definition
| the ratio of mass to volume of an object |
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Definition
| negatively charged particle; located in the space surrounding the nucleus |
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Definition
| pure substance that consists entirely of one type of atom |
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Definition
| a chemical reaction that absorbs energy |
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Definition
| protein catalyst that speeds up the rate of specific biological reactions |
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Term
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Definition
| code of behavior that emphasizes fairness to all members of a group |
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Term
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Definition
| a chemical reaction that releases energy |
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Term
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Definition
| sequences of DNA used to direct the growth and development of an organism in the likeness of its parent(s) |
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Term
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Definition
| the amount of energy needed to raise the temperature of one gram of a substance by 1°C |
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Term
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Definition
| relatively constant internal physical and chemical conditions that organisms maintain |
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Term
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Definition
| weak attraction between a hydrogen atom and another atom |
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Term
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Definition
| possible explanation for a set of observations or possible answer to a scientific question |
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Term
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Definition
| pertains to chemicals that are not primarily composed of carbon |
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Term
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Definition
| atom that has a positive or negative charge |
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Term
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Definition
| chemical bond formed when one or more electrons are transferred from one atom to another |
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Term
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Definition
| one of several forms of a single element; contains the same number of protons but different numbers of neutrons |
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Definition
| macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes |
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Definition
| a series of sequential chemical reactions taking place in a cell |
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Term
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Definition
| the combination of chemical reactions through which an organism builds up or breaks down materials |
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Definition
| a compound that is formed in one reaction and then consumed in another reaction in a metabolic pathway |
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Term
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Definition
| material composed of two or more elements or compounds that are physically mixed together but not chemically combined |
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Term
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Definition
| smallest unit of most compounds that displays all the properties of that compound |
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Definition
| small chemical unit that makes up a polymer |
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Definition
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Term
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Definition
| macromolecule containing hydrogen, oxygen, nitrogen, carbon, and phosphorus |
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Definition
| subunit of which nucleic acids are composed; made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base |
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Term
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Definition
| the center of an atom, which contains the protons and neutrons |
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Definition
| process of noticing and describing events or processes in a careful, orderly way |
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Definition
| trait that emphasizes consideration of new ideas without prejudging them |
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Term
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Definition
| pertains to chemicals that are primarily composed of carbon |
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Definition
| scale with values from 0 to 14, used to measure the concentration of H+ ions in a solution |
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Definition
| process used by plants and other autotrophs to capture light energy and use it to power chemical reactions |
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Definition
| molecule composed of many monomers; makes up macromolecules |
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Term
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Definition
| element or compound produced by a chemical reaction |
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Definition
| macromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair |
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Term
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Definition
| element or compound that enters into a chemical reaction |
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Definition
| biological process in which organisms produce offspring |
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Definition
| process used by organisms to break down high energy molecules to capture the energy in a form that can be used to power metabolic reactions |
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Definition
| trait that enables a person to question the validity of claims |
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Definition
| substance that is dissolved in a solution |
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Term
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Definition
| type of mixture in which all the components are evenly distributed |
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Definition
| the dissolving substance in a solution |
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Definition
| signal to which an organism responds |
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Definition
| reactant of an enzyme-catalyzed reaction |
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Term
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Definition
| mixture of water and nondissolved material |
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Definition
| condition that, when changed, may affect an outcome |
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Definition
| theory that living things contain a special force not found in nonliving things |
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