The term 'life', is in itself, a vague entity. Different people have different perceptions of what 'life' is. To some, life is the quality of living; to others, it is their very existence itself. In biological terms, I have defined 'life' to be the ability to function, be it as a complex multicellular organism, or a single-celled protozoan. This is brought about by vital processes such as regulation and control, respiration, defence and reproduction. Without these processes, the organism cannot function. We must then analyse what role do enzymes play in these processes.
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