Plant secondary metabolites include Group of answer choices alkaloids all of these! terpenes phenolics
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These are organic compounds that are not directly involved in the normal growth, development, or reproduction of plants but serve important ecological functions, such as defense against herbivores and pathogens, and attracting pollinators. Show more…
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Marlyn J.
Which one of the following are secondary metabolites? (a) Flavonoids and rubber (b) Antibiotics, coloured pigments and essential oils (c) Scents, gums, spices (d) All the above
Classify each of the following plant secondary metabolites according to the list below. Choose all that apply. alkaloid, terpenoid, phenolic, cyanogen, polyketide i. Caffeine (active ingredient in an important dark brown liquid, found at Starbucks, which extracts it for you at almost no cost ... from fruit of the plant Coffea arabica) ii. Emodianthrone (a precursor of hypericin, the bioactive ingredient in herbal medicines using St. John's Wort) iii. Alpha-pinene (a major constituent of pine resin, acting as a chemical defense against herbivores, including dark beetles) iv. Ubiquinol (the reduced form of Coenzyme Q10) v. Altenusin (a drug from Alternaria species) vi. Kudingcha glycoside (a trace component found in Chinese holly; it is toxic, but can be removed by special brewing recipes during the preparation of herbal teas)
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