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Smallest basic unit of matter |
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Substance made up of only one kind of atom and cannot be broken down by a chemical means |
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Substance made of two or more elements that are bonded together in a particular ratio.
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Substance in which solutes dissolveand that is present in greatest concentration in a solution. |
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Substance that dissolves in a solvent and that is present ia a lower concentration than a solvent |
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mixture that is consistent throughout; also called a homogenous mixture |
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Element or compound that enters into a chemical reaction & is changed.
Chemical reaction that requires an input of energy
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Element or compound produced by a chemical reaction |
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chemical reaction releases energy in the form of heat
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Compound made up of carbon, hydrogen, and oxygen atoms; major source of energy for the human body; includes sugars & starches.
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Single sugar molecule
Molecular subunit of a polymer, like a single link in a chain
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Macromolecule made mainly from carbon, hydrogen, oxygen,; includes fats, oils, & waxes. Some used for energy & others are part of a cells structure.
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Polymer of nucleotides; the genetic material of all organisms.
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Monomer of nucleic acids made up of a 5-carbon sugar, a phosphate group, & a nitrogenous base that forms DNA & RNA
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two or more elements held together by covalent bonds
Single-stranded nucleic acid allows for the transmission ofgenetic information & protein synthesis RNA for short
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20. deoxyribonucleic acid
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Double stranded nucleic acid that stores genetic information in all organisms: contains the sugar deoxyribose & is DNA for short |
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Polymer composed of amino acids linked by peptide bonds; folded into a particular structure and used by the body for growth and repair.
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Process that changes one set of chemicals into another set of chemicals through the breaking and forming of chemical bonds |
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Substance that decreases activation energy and increases reaction rate in a chemical reaction
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Protein that catalyzes chemical reactions for organisms
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Molecule that is the monomer of proteins; composed of carbon, hydrogen, oxygen, & nitrogen
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