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Terms in this set (36)
the ability to do work
energy of motion
The study of energy transformations that occur in a collection of matter.
SI unit of energy
loss of electrons
gain of electrons
any chemical change in which one species is oxidized (loses electrons) and another species is reduced (gains electrons); also called redox reaction
first law of thermodynamics
The energy transferred between objects that are at different temperatures
second law of thermodynamics
Every energy transfer or transformation increases the entropy of the universe.
A measure of disorder or randomness.
energy that is available to do work
A chemical reaction that requires the input of energy in order to proceed.
Energy needed to get a reaction started
the acceleration of a chemical reaction by a catalyst
Catalysts for chemical reactions in living things
the reactants of enzyme-catalyzed reactions
The part of an enzyme or antibody where the chemical reaction occurs.
A temporary complex formed when an enzyme binds to its substrate molecule(s).
A substance that slows down or stops a chemical reaction
Reduce the productivity of enzymes by blocking substrates from entering active sites.
Impede enzymatic reactions by binding to another part of the enzyme (other than the active site).
A specific receptor site on some part of an enzyme molecule remote from the active site.
binds to allosteric site and reduces enzyme activity
Also known as boosters, protinators, or accelerators; powdered persulfate salts added to haircolor to increase its lightening ability.
nonprotein enzyme helpers
Adenosine Triphosphate (ATP)
compound used by cells to store and release energy
Adenosine Diphosphate (ADP)
low-energy molecule that can be converted to ATP
All of the chemical reactions that occur within an organism
Metabolic pathways that construct molecules, requiring energy.
Metabolic pathways that break down molecules, releasing energy.
a series of chemical reactions in which the product of one reaction is consumed in the next reaction
A method of metabolic control in which the end product of a metabolic pathway acts as an inhibitor of an enzyme within that pathway.
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