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17 Cards in this Set

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biogas
gases that can be burned or converted to liquid or gas fuels
biomass
organic material that is used for energy
consumer
an organism that depends on eating other organisms for energy
diffusion
movement of molecules from a place of high concentration to a place of low concentration
endocytosis
process in which cells transport a large body into the cytoplasm through the cell membrane
enzyme
protein the speeds certain chemical reactions in cells but does not change itself
equillibrium
condition in which there is an even distribution of molecules in a space
exocytosis
process in which cells transport a large body out of a cell through the cell membrane
fermentation
a form of respiration that in the absence of oxygen breaks down sugars
gasohol
mixture of ethanol and gasoline
inorganic compound
compound such as water that is not made from the element carbon
metabolism
the chemical processes of an organism or cell that enable it to grow, live, and reproduce
mixture
a combination of substances that do not form a compound
organic compound
class of compounds such as lipids, carbohydrates, nucleic acids and proteins that exist in living organisms
osmosis
the diffusion fo water through a cell membrane
passive transport
movement of particles through a cell membrane that does not require energy
producer
an organism that makes its own food