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Energy and the Cell (Enzymes)
The capacity to do work
Energy of motion
The potential energy of molecules due to stored energy in bonds
Energy stored due to an object's position or arrangement. In the case of chemical energy this is due to bond arrangement
Energy absorbing reactions
Energy releasing reactions
Reactions absorbing energy. Same as endergonic
Reactions releasing energy. Same as exergonic
Energy barrier that must be overcome before a chemical reaction can occur
Protein molecule that speeds up chemical reactions in living things by lowering the activation energy
The reactants (beginning chemicals) acted on by an enzyme
Pocket or groove located on the enzyme that fits the substrate
The mechanism by which the substrates bonds are weakened by the enzyme
The breakdown of enzymes by excessive heat or extreme pH
Chemical that interferes with an enzymes activity by out-competing substrates for space on the active site of enzyme
Enzyme responsible for breaking down hydrogen peroxide into water and oxygen
Enzymatic breakdown of large molecules into smaller molecules.
Enzyme contained in saliva and pancreatic juices that breaks down starch
Enzyme contained in pancreatic juices that breaks down lipids into fatty acids and glycerol
Enzyme contained in pancreatic juices that breaks down protein molecules into amino acids
Enzyme found in acidic stomach environment functioning to digest protein molecules
Produced by the liver to mechanically increase the surface area of fat by breaking it into small droplets
Lock and key hypothesis
The idea that enzymes are specifically shaped to fit only one type of substrate
A temporary complex formed when an enzyme binds to its substrate molecules
Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen.
Conversion of light energy from the sun into chemical energy. Carbon dioxide + water ----> glucose + oxygen
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