Apologia Biology module 5 vocabulary
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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| Anything that has mass and takes up space. | Matter
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| An explanation or representation of something that cannot be seen. | Model
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| A collection of atoms that all have the same number of protons. | Element
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| Checmicals that result from atoms linking together. | Molecules
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| A change that affects the appearance but not the chemical makeup of a substance. | Physical change
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| A change that alters the makeup of the elements or molecules of a substance. | Chemical change
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| One of three forms - solid, liquid, or gas - which every substance is capable of attaining. | Phase
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| The random motion of molecules from an area of high concentration to an area of low concentration. | Diffusion
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| A measurement of how much solute exists within a certain volume of solvent. | Concentration
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| A membrane that allows some molecules to pass through but does not allow other molecules to pass through. | Semipermeable membrane
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| The tendency of a solvent to travel across a semipermeable membrane into areas of higher solute concentration. | Osmosis
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| A substance that alters the speed of a chemical reaction but is not used up in the process. | Catalyst
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| A molecule that contains only carbon and any of the following: hydrogen, oxygen, nitrogen, sulfur and/or phosphorous. | Organic molecule
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| The process by which living organisms produce larger molecules from smaller ones. | Biosynthesis
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| Two different molecules that have the same chemical formula. | Isomers
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| Simple carbohydrates that contain 3 to 10 carbon atoms. | Monosaccharides
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| Carbohydrates that are made up of two monosaccharides. | Disaccharides
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| Carbohydrates that are made up of more than two monosaccharides. | Polysaccharides
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| A chemical reaction in which molecules combine by removing water. | Dehydration reaction
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| Breaking down complex molecules by the chemical addition of water. | Hydrolysis
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| Lacking any affinity to water. | Hydrophobic
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| A lipid made from fatty acids that have no double bonds between carbon atoms. | Saturated fat
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| A lipid made from fatty acids that have at least one double bond between carbon atoms. | Unsaturated fat
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| A bond that links amino acids together in a protein. | Peptide bond
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| A strong attraction between hydrogen atoms and certain other atoms (usually oxygen or nitrogen) in specific molecules. | Hydrogen bond
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