BIOCHEM 2EE3 Study Guide - Final Guide: Egg Cell, Glycogen, Peptidoglycan
23 Apr 2016
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Are most abundant biological molecules and are the energy used by heterotrophic organisms. Are smallest carbs that cannot be decomposed anymore (via hydrolysis) Also called plyhydroxyalcohols w. 3 c atoms. Has 4 chiral centres - has 16 isomers possibly. Enzymes are extremely speci c so its important to have speci c glucose. Epimers/enantiomers are sugars that differ only in con guration of carbon atoms. Has 3 chiral centre therefore 8 possible stereoisomers. D sugars more prominent then l sugars. You don"t need to know structures but you do need to know names of saccharides. Biochem 2ee3 ribose (pentose) glucose (hexose) galactose (c4 epimer of glucose) mannose (c2 epimer of glucose. Oh group down othertype oh is up. Just look at orgo 20b3 carb notes. Are in usually found in cyclic formation not sher projection/linear. Beta d glucose is more prominent then alpha d glucose formed from d glucose. Is asymmetric therefore unequal concentrations of alpha and beta.
