Apologia Biology 2nd Ed. Module 5

	anything that has mass and takes up space
	an explanation or representation of something that cannot be seen
	a collection of atoms that all have the same number of protons
	chemicals that result from atoms linking together
	a change that affects the appearance but not the chemical makeup of a substance
	a change that alters the makeup of the elements or molecules of a substance
	one of three forms - solid, liquid, or gas - which every substance is capable of attaining
	the random motion of molecules from an area of high concentration to an area of low concentration
	a membrane that allows some molecules to pass through but does not allow other molecules to pass through
	the tendency of a solvent to travel across a semipermeable membrane into areas of higher solute concentration
	a substance that alters the speed of a chemical reaction but is not used up in the process
	a molecule that contains only carbon and any of the following: hydrogen, oxygen, nitrogen, sulfur, and/or phosphorous
	the process by which living organisms produce larger molecules from smaller ones
	two different molecules that have the same chemical formula
	simple carbohydrates that contain 3 to 10 carbon atoms
	carbohydrates that are made up of two monosaccharides
	carbohydrates that are made up of more than two monosaccharides
	a chemical reaction in which molecules combine by removing water
	breaking down complex molecules by the chemical addition of water
	lacking any affinity to water
	a lipid made from fatty acids that have no double bonds between carbon atoms
	a lipid made from fatty acids that have at least one double bond between carbon atoms
	a bond that links amino acids together in a protein
	a strong attraction between hydrogen atoms and certain other atoms (usually oxygen or nitrogen) in specific molecules
	a measurement of how much solute exists within a certain volume of solvent