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test on ch3 sections 1-4
the green pigment in plants that can absorb the sun's energy
a substance made by combining two or more elements
an energy releasing process that does NOT require oxygen
the type of proteins that speed up chemical reactions, such as in digestion
the most common compound in living things
the smaller molecules that are the building blocks of proteins
the type of organic compound that meat, beans, nuts contain alot of
element found in all organic compounds
a membrane that allows some substances to pass through but not others
a chemical substance that cannot be broken down into simpler substances
DNA and RNA are examples of this type of organic compound in organisms
sugars and starches are examples
the type of organic compound that stores the most energy