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Apologia Biology M5
Vocabulary for Module 5 Exploring Creation with Biology
| Question | Answer |
|---|---|
| Matter | Anything that has mass and takes up space (125) |
| Model | An explanation or representation of something that cannot be seen (126) |
| Element | A collection of atoms that all have the same number of protons (128) |
| Molecules | Chemicals that result from atoms linking together (130) |
| Physical change | A change that affects the appearance but not the chemical makeup of a substance (132) |
| Chemical change | A change that alters the makeup of the elements or molecules of a substance (132) |
| Phase | One of three forms - solid, liquid, or gas – which every substance is capable of attaining (133) |
| Diffusion | The random motion of molecules from an area of high concentration to an area of low concentration (135) |
| Concentration | A measurement of how much solute exists within a certain volume of solvent (135) |
| Semipermeable membrane | A membrane that allows some molecules to pass through but does not allow other molecules to pass through (136) |
| Osmosis | The tendency of a solvent to travel across a semipermeable membrane into areas of higher solute concentration (136) |
| Catalyst | A substance that alters the speed of a chemical reaction but is not used up in the process (141) |
| Organic Molecule | A molecule that contains only carbon and any of the following: hydrogen, oxygen, nitrogen, sulfur, and/or phosphorous (142) |
| Biosynthesis (bye oh sin' the sis) | The process by which living organisms produce larger molecules from smaller ones (142) |
| Isomers | Two different molecules that have the same chemical formula (144) |
| Monosaccharides (mahn uh sak' uh rides) | Simple carbohydrates that contain three to ten carbon atoms (145) |
| Disaccharides (dye sak' uh rides) | Carbohydrates that are made up of two monosaccharides (145) |
| Polysaccharides (pahl ee sak' uh rides) | Carbohydrates that are made up of more than two monosaccharides (145) |
| Dehydration (dee hye dray' shun) reaction | A chemical reaction in which molecules combine by removing water (145) |
| Hydrolysis | Breaking down complex molecules by the chemical addition of water (146) |
| Hydrophobic | Lacking any affinity to water (148) |
| Saturated fat | A lipid made from fatty acids which have no double bonds between carbon atoms (149) |
| Unsaturated fat | A lipid made from fatty acids that have at least one double bond between carbon atoms (149) |
| Peptide bond | A bond that links amino acids together in a protein (150) |
| Hydrogen bond | A strong attraction between hydrogen atoms and certain other atoms (usually oxygen or nitrogen) in specific molecules (155) |
Created by:
ngio64
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