Examlex
-What is TCP/IP and how does it work? Define packet switching in the course of your response.
Oxidation-Reduction Reactions
Chemical reactions involving the transfer of electrons between two substances, altering their oxidation states and often producing energy.
Substrate
The surface or material on or in which an organism lives, grows, or reacts, or a substance acted upon by an enzyme.
Reactant
Molecule that enters a reaction and is changed by participating in it.
Cofactor
A non-protein chemical compound or metallic ion that is required for a protein's biological activity to happen.
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