Biochemistry
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Acid | any compound that increases the number of hydronium ions when disolved in water; any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt
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| Alkaline | a solution that has a pH value greater than 7 because of the dissociation of a base in water to produce hydroxide ions.
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| Atom | The smallest unit of an element that maintains the chemical properties of that element.
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| Base | 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 | any organic compound that is made of carbon, hydrogen, and oxygen and that provides nutrients to the cells of living things
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| Catalyst | a substance that changes the rate of a chemical reaction without being consumed or changed significantly
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| Chemical Bond | The attractive force that holds atoms or ions together.
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| Compound | a substance made up of two or more different elements joined by chemical bonds
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| Element | a substance that cannot be separated or broken down into simpler substances by chemical means
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| Lipid | 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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| macromolecule | a very large organic molecule, usually a polymer, composed of hundreds or thousands of atoms
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| Molecule | a group of atoms that are held together by chemical forces; a molecule is the smallest unit of matter that can exist by itself and retain all of a substances chemical properties.
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| Neutral | having only a limited ability to react chemically; having no net electric charge; pH value of 7
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| Nucleic Acid | an organic 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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| pH | a value that is used to express the acidity or alkalinity(basicity) of a system; a pH of 7 is neutral, a pH of less than 7 is acidic, and a pH of greater than 7 is basic.
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| Protein | an organic compound that is made of one or more chains of amino acids and that is a principal component of all cells.
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Created by:
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