Lect1110f

Lect1110f - 10/07/10 Biochemistry Systematic study of the...

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10/07/10 1 Biochemistry Systematic study of the molecular nature of life processes Chem 83 will consider four types of “macromolecules” derived from “micromolecules” of HCN and H 2 CO Carbohydrates Lipids (fats) Proteins Nucleic Acids All were first produced abiotically and somehow later combined to form the cell, the basic unit of structure of every living thing. (Oparin)
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10/07/10 2 http://fg.cox.miami.edu/~cmallery/150/chemistry/sF3x5.jpg First type of biochemical is the carbohydrate Carbohydrates are polar molecules that contain a carbonyl functional group (C=O) and several alcohol functional groups (OH). Names typically end in - ose. Can exist in chains or rings. Monosaccharides have one ring. Produced abiotically from formaldehyde, n(H 2 CO) [C(H 2 O)] n Disaccharides are sugars consisting of two rings http://www.ualr.edu/botany/sucrose.giF Two monosaccharides (one ring each) -H 2 O +H 2 O One disaccharide (two rings with an -O- bond between them) Formed by dehydration reaction - loss of water from 2 monosacharides
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10/07/10 3 http://learners.in.th/file/dawood/StarchCelluloseStructure.jpg Glycogen http://sps.k12.ar.us/massengale/images/glycogen_yellow.gif Polysaccharides are sugars consisting of many rings Humans do not have the catalyst required to break apart rings in cellulose type structures. Formed by multiple
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Lect1110f - 10/07/10 Biochemistry Systematic study of the...

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