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Photosynthesis & Respiration
Biology I
10
Biology
10th Grade
03/25/2009

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Term
ATP (adenosine triphosphate)
Definition
is a chemical energy supply for all cells.
Term
Enzyme
Definition
a substance that speeds up chemical reactions.
Term
Substrate
Definition
specific proteins that combine with a specific enzyme.
Term
Cofactors
Definition
helps transports substances.
Term
Coenzyme
Definition
a non-protein molecule that activates the enzyme.
Term
Photosynthesis
Definition
the chemical process some organisms use to make food.
Term
Cellular Respiration
Definition
the process of changing glucose into a form that is usable by the cell.
Term
Glycolysis
Definition
the first phase of cellular respiration; takes place in the cytoplasm.
Term
Citric Acid Cycle (Kreb's Cycle)
Definition
phase two; converts pyruvic acid into citric acid.
Term
Electron Transport Chain
Definition
the last phase; a cofactor moves the electrons through the mitochondria (produces alot of energy)
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