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Mrs. Yust/ Biochem

QuestionAnswer
chemical reaction Process by which one set of chemicals is changed into another set of chemicals through the breaking and forming of chemical bonds.
reactant Element or compound that enters into a chemical reaction.
product Element or compound produced by a chemical reaction.
bond energy The amount of energy that will break a bond between two atoms.
equilibrium when a reaction takes place at an equal rate in both directions.
activation energy The amount of energy that needs to be absorbed for a chemical reaction to start.
exothermic reaction Chemical reaction that releases more energy that they absorb.
endothermic reaction Chemical reaction that absorb more energy than they release
catalyst A substance that initiates or speeds up the rate of a chemical reaction without being changed by the process.
ATP (Adenosine Triphosphate) "carries" the energy of the cell
ADP (Adenosine Diphosphate) forms when the energy carried by ATP is released and a phosphate group is removed.
chemosynthesis The process by which some organisms use chemical energy to make energy-storing carbon-based molecules.
photosynthesis Process by which photoautotrophs capture the energy of the sunlight and use it to synthesize carbohydrates through a series of chemical reactions to store chemical energy.
chloroplast double membrane bound organelle, inter membrane space between the inner and outer membrane, where photosynthesis occurs.
chlorophyll This molecule absorbs some of the energy in visible light for photosynthesis.
thylakoid saclike structures in chloroplasts made up of photosynthetic membranes.
grana A stack of thylakoids.
stroma The liquid surrounding the thylakoids/grana.
light dependent reaction The "photo" part of photosynthesis, occurs in the thylakoid membranes, requires light energy, oxygen is given off as a waste product.
light independent reaction energy from the light dependent reactions is used to build sugar molecules from carbon dioxide.
photosystem organization of chlorophyll and proteins in the thylakoid membranes.
electron transport chain A series of proteins in the thylakoid membrane.
ATP sythase Produces ATP molecules that are transported to the light independent reactions.
Calvin Cycle Several chemical reactions that are necessary to produce a high energy sugar from low energy carbon dioxide.
Created by: ambrecooper
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