Question
Write the mechanism of ethylene biosynthesis.
Answer :
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Ethylene biosynthesis is a complex process that involves several enzymatic steps, primarily occurring in plant tissues. The precursor of ethylene is the amino acid methionine, which undergoes conversion into ethylene through a multi-step pathway. The initial step involves the conversion of methionine to S-adenosylmethionine (SAM) by the enzyme methionine adenosyltransferase. SAM then acts as a donor of methyl groups in various biochemical reactions. The next key enzyme, ACC synthase, catalyzes the conversion of SAM into 1-aminocyclopropane-1-carboxylate (ACC),
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