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  • ...or branched. Important families that belong to this group are the alkanes, alkenes, and alkynes (homologous series) with members (homologue) examples like {me ==Alkanes, alkenes, and alkynes==
    8 KB (1,209 words) - 20:36, 20 March 2019
  • ...molecular fossils, particularly sterols. Certain carotenoids, ketones, and alkenes are only known to occur in marine plankton.
    5 KB (692 words) - 20:59, 31 January 2022