Cell Bio Chapter 7

8 terms by tgodbe 

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secondary metabolism

synthesis of molecules that are not essential for cell structure and growth

phenolic compounds

compounds that contain a benzene ring linked to a single hydroxyl group

flavonoids

phenolic compound that create flavors and smells in plants. have antioxidant properties and play a key role in pigmentation

tannins

large polymeric phenolic compound that typically act as a deterrent in plants due to bitter taste or toxic effects, can inhibit digestive enzymes in animals, used in tanning process

lignins

large phenolic polymers found in plant cell walls that strengthen plant cells and enable them to better withstand a harsh environment

alkaloids

group of molecules that contain nitrogen and have a cyclic ring like structures, include caffeine, nicotine, and morphine, can be bitter or toxic

terpenoids

molecules synthesized from five carbon isoprene units, responsible for odors and pigmentation, ex: carotenoids, cinnamon, spices

polyketides

secondary metabolites produced by bacteria, fungi, plants, insects, and more. Synthesized by polymerization of acetyl and propionyl. Secreted by organism that makes them and are highly toxic to other organisms. inhibit growth of cancer cells

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