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element any substance that cannot be broken down into simpler substances
atom the smallest unit of an element
compound the chemical combination of two or more elements
molecule the smallest unit of most compounds
organic compounds most compounds that contain carbon
inorganic compounds compounds that do not contain the element carbon
proteins large organic molecules made up of carbon hydrogen oxygen nitrogen and in some cases sulfur
amino acids small molecules that make up proteins
enzyme type of protein that speeds up chemical reactions in living things
nucleic acids very large organic molecules made up of carbon oxygen hydrogen nitrogen and phosphorus
DNA type of nucleic acid that passes from parent to offspring and directs all the cells functions
RNA type of nucleic acid that plays an important role in the production of proteins
Created by: abree mcmordie