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bio test 3
| Question | Answer |
|---|---|
| Substance that speeds up a chemical reaction without it being used up | Mass |
| Quantity of matter an object has | Atom |
| Smallest part of an element that retains the properties of that element | Matter |
| Anything that has mass and occupies space | Solid |
| State of matter in which atoms are tightly packed | Gas |
| State of matter in which atoms are loosely packed | Liquid |
| State of matter in which the substance can be poured | Catalyst |
| Equal to the number of protons and neutrons in an atom | Atomic Mass |
| Equal to the number of protons in an atom | Atomic Number |
| Simplest part of a substance that retains properties of that substance | Molecule |
| Bond formed when pairs of electrons are shared | Covalent |
| Bond formed when two oppositely charged ions are attracted | Ionic |
| Pure substances that cannot be broken down further chemically | Element |
| Negatively charged particles orbiting the nucleus of an atom | Electron |
| Positively charged particles in the nucleus of an atom | Proton |
| Particles with no charge in the nucleus of an atom | Neutron |
| Substance dissolved in a solution | Solute |
| Substance in which a solute is dissolved | Solvent |
| Mixture in which one or more substances are dissolved in another substance | Solution |
| How much solute is dissolved in a fixed amount of solution | Concentration |
| Solution with a greater number of OH ions | Base |
| Solution with a greater number of H ions | Acid |
| Scale used to measure the acidity or alkalinity of a substance | PH |
| Reaction that does not require energy to occur | Exergonic |
| Reaction that requires energy to occur | Endergonic |
| Molecule that is the universal solvent | Water |
| Repeating units of carbon compounds | Monomer |
| Complex molecules consisting of repeating units | Polymer |
| Reaction in which a large molecule is broken down into smaller ones and water is used up | Hydrolysis |
| Reaction in which large molecules are formed when water is lost | Condensation |
| Simple sugar group | Monosaccharide |
| Double sugar group | Disaccharide |
| Proteins that act as catalysts in living things | Enzyme |
| Substance that an enzyme reacts with | Substrate |
| made up of amino acids | Proteins |
| made up of 3 fatty acids and one glycerol | Lipids |
| made of nucleotides | Nucleic Acids |
| has the general formula CH20 | Carbohydrates |
| starch | Carbohydrates |
| meat | Proteins |
| enzymes | Proteins |
| steroids | Lipids |
| DNA | Nucleic Acids |
| RNA | Nucleic Acids |
| Oil | Lipids |
| Glucose | Carbohydrates |
| Fat | Lipids |
| Cellulose | Carbohydrates |
| Wax | Lipids |
| Table Sugar | Carbohydrates |
| Glycogen | Carbohydrates |
| Provides 9 Calories/gram energy | Lipids |
| Provides 4 Calories/gram energy | Carbohydrates and Proteins |
| Contain the carbon atom | All 4 Groups |
| What are three factors that affect how enzymes work? | Concentration, PH and temperature |
| what are the 6 most common elements found in living things? | carbon, hydrogen,oxygen, nitrogen, phosphorus, and calcium |
| An acid has a PH ___ than 7, while a base has a PH ____ greater than 7 | less, greater |
| Starch | Lugol |
| Sugar | Benedict |
| Protein | Biuret |
| Lipid | Sudan Red |
Created by:
langkat13
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