Biology 2217B Study Guide - Final Guide: Terpenoid, Frankincense, Nitrification

• School: Western University
• Department: Biology
• Course: Biology 2217B
• Professor: Richard Gardiner

Document Summary

Resin: lipid-soluble mixture of terpenoid or phenolic secondary compounds: secreted on plant surface. Terpenoid resin: greatest diversity found in plants but in all organism. Conifier resin: smell of cutting wood, supplies energy for forest microbes inhibits nitrification: defense against pathogens. Magnoliophyta resin: natural occurring alc, stimulate glands in liver. Phenolic resin: protection from uv, signal b/w plants. Amber: 2 types have potential for fossilization. Latex: resin: emulsion of polyisoprene suspended in water, 2 geometric isomers. Trans polyisoprenes are balatas: secreted into ducts call lactifers (in cortex/phloem. Canada balsam: dry glue for optical glass, buckley"s: (cid:373)ake it thicker. Gum: no nutritional value, adds thickness to food, complex chains of polysaccharides, produce when plant wouded, hu(cid:373)a(cid:374)s ca(cid:374)"t digest, pass tract u(cid:374)altered. Gum arabic: harden sap from acacia tree/acacia seyal, stabilizer in food, colours in soft drinks. Gum karaya thickener emulsifier and laxative in foods. Locust bean gum: stabilizer and thickener, extract from seens of carob tree.