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: change
A change that alters the makeup of the elements or molecules of a substance: change
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 measurement of how much solute exists within a certain volume of solvent:
A membrane that allows some molecules to pass through but does not allow other molecules to pass through: membrane
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: molecule
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: reaction
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 and nitrogen) in specific molecules:
A special class of proteins that are used as catalysts:
