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Active Site

Small part of enzyme fits with substrate/s (site undergoes small change in shape)

ADP (adenosine diphosphate)

Factors in producing ATP

ATP (adenosine triphosphate)

Common energy currency of cells

Coupled Reactions

Occur in the same place, same time, in a way that an energy-releasing (exergonic) reaction drives an energy requiring (endergonic) reaction


Protein that functions as an organic catalyst to speed a chemical reaction w/o being affected by the reaction

Enzyme inhibition

When a molecule (the inhibitor) binds to an enzyme and decreases its activity

1st Law of Thermodynamics

(Law of conservation of energy) Energy cannot be created/destroyed, but it can be changed from one form to another

2nd Law of Thermodynamics

Energy cannot be changed from one form to another w/o a loss of usable energy


Sum of all the chemical reactions that occur in a cell

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