Examlex
Overlap of two sp2 hybrid orbitals produces a bond.
Activation Energy
The minimum amount of energy required to initiate a chemical reaction, effectively determining the rate at which the reaction will occur.
Enzyme
Biological molecules that significantly speed up the rate of virtually all of the chemical reactions within cells.
Catalyzes
To increase the rate of a chemical reaction without undergoing any permanent chemical change, often pertaining to the action of enzymes.
Cofactor
A non-protein chemical compound or metallic ion that is required for a protein's biological activity to occur.
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Q102: Secondary amines have the general formula RNH<sub>2</sub>.