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25 Cards in this Set

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(bye oh' sin the sis) The process by which living organisms produce molecules (146)
Biosynthesis
A substance that alters the speed of a chemical reaction but does not get used up in the process (145)
Catalyst
A change that alters the makeup of the elements or molecules of a substance (136)
Chemical change
A measurment of how much substance exists within a certain volume (140)
Concentration
(dee hye dray'shun) A chemical reaction in which molecules combine by ejecting water (149)
Dehydration Reaction
The random motion of molecules from an area of high concentration to an area of low concentration (140)
Diffusion
(dye sak uh rides) Carbohydrates that are made up of two monosaccharides (149)
Disaccharides
All atoms that contain the same number of protons (132)
Element
Lacking an affinity to water (153)
Hydrophobic
A strong attraction between hydrogen atoms and certain other atoms (usually oxygen or nitrogen) in specific molecules (160)
Hydrogen Bond
Breaking down complex molecules by the chemical addition of water (150)
Hydrolysis
Two different molecules that have the same chemical formula 148)
Isomers
Anything that has mass and takes up space (129)
Matter
An explanation or representation of something that cannot be seen (130)
Model
Chemicals that result from atoms linking together (134)
Molecules
(mahn us sak' uh rides) Simple carbohydrates that contain three to ten carbon atoms (149)
Monosaccharides
A molecule that contains only carbon and any of the following: hydrogen, oxygen, nitrogen, sulfur, and/or phosphorous (146)
Organic Molecule
The tendency of a solvent to travel across a semipermeable membrane into areas of higher solute concentration (141)
Osmosis
A bond that links amino acids together in a protein (154)
Peptide Bond
One of three forms--solid, liquid, or gas--which every substance is capable of attaining (137)
Phase
A change that affects the appearance but not the chemical makeup of a substance (136)
Physical Change
(pahl ee sak' uh rides) Coarbohydrates that are made up of more than two monosaccharides (149)
Polysaccharides
A lipid made from fatty acids which have noe double bonds between carbob atoms (154)
Saturated fat
A membrane that allows some molecules to pass through but does not allow other molecules to pass through (141)
Semipermeable Membrane
A lipid made from fatty acids that have at leastone double bond between carbon atoms (154)
Unsaturated fat