Term
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Definition
| Anything that has mass and takes up space |
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Term
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Definition
An explanation or representation of something
that cannot be seen |
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Term
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Definition
| A collection of atoms that all have the same number of protons |
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Term
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Definition
| Chemicals that result from atoms linking together |
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Term
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Definition
A change that affects the appearance
but not the chemical makeup of a substance |
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Term
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Definition
A change that alters the makeup of
the elements or molecules of a substance (132) |
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Term
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Definition
One of three forms - solid, liquid, or gas - which
every substance is capable of attaining (133) |
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Term
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Definition
The random motion of molecules from an
area of high concentration to an area of low concentration (135) |
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Term
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Definition
A measurement of how much solute
exists within a certain volume of solvent (135) |
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Term
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Definition
A membrane that allows
some molecules to pass through but does not allow other
molecules to pass through (136) |
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Term
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Definition
The tendency of a solvent to travel across a semipermeable membrane into areas of higher solute
concentration (136) |
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Term
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Definition
| A substance that alters the speed of a chemical reaction but is not used up in the process |
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Term
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Definition
A molecule that contains only
carbon and any of the following: hydrogen, oxygen,
nitrogen, sulfur, and/or phosphorous (142) |
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Term
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Definition
The process by which
living organisms produce larger molecules from smaller |
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Term
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Definition
| Two different molecules that have the same chemical formula (144 |
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Term
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Definition
| Simple carbohydrates that contain three to ten carbon atoms |
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Term
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Definition
| Carbohydrates that are made up of two monosaccharides |
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Term
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Definition
| Carbohydrates that are made up of more than two monosaccharides |
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Term
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Definition
| A chemical reaction in which molecules combine by removing water |
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Term
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Definition
Breaking down complex molecules by the
chemical addition of water (146) |
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Term
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Definition
| Lacking any affinity to water |
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Term
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Definition
| A lipid made from fatty acids which have no double bonds between carbon atoms |
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Term
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Definition
A lipid made from fatty acids that have
at least one double bond between carbon atoms |
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Term
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Definition
| A bond that links amino acids together in a protein (150) |
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Term
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Definition
A strong attraction between hydrogen SATURATED FAT
atoms and certain other atoms (usually oxygen or nitrogen) in specific molecules (155) |
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