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mads.xsd"><authority><topic authority="http://roble.intecca.uned.es/tematres/lem/">Biosíntesis</topic></authority><related type="other"><topic>Metabolismo</topic></related><related type="other"><topic>Fotosíntesis</topic></related><related type="broader"><topic>Compuestos orgánicos-Síntesis</topic></related><related type="broader"><topic>Bioquímica</topic></related><variant type="other"><topic>Anabolismo</topic></variant><variant type="other"><topic>Síntesis biológica</topic></variant></mads>