Examlex
If a young developing neuron gets too little excitation,it self-destructs.
Molecules
Entities consisting of two or more atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
Lock-And-Key Model
A model describing the mechanism of enzyme action, where the enzyme and substrate fit together perfectly like a lock and key.
Antigen
A substance that, when introduced into the body, triggers an immune response.
Antibody
A protein produced by the immune system to identify and neutralize foreign objects like bacteria and viruses.
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