Exam Review - Chapter 1

Different positions in space when molecules interact

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Unformatted text preview: cytosol of a cell • Metabolome: entire collection of metabolites/molecules • Macromolecules: polymers with molecular weight’s above 5000 • Glycome: the cell’s carbohydrate- containing molecules • Stereochemistry is very important to a molecules’ function o Arrangement of a molecule’s constituents in free space • Chiral centers: asymmetric carbons, carbon atom bonded to four different substituents • Enantiomers: stereoisomers that are mirror images of each other • Diastereomers: pairs of stereoisomers that are not mirror images each other • R and S nomenclature: based on functional group priority • Conformation: the spatial arrangement of substituent groups that are free to assume different positions in space • When molecules interact, the “fit” must be stereochemically correct • Stereospecificity: ability to distinguish between stereoisomers 1.3 – Physical Foundations • Living organisms are in a dynamic steady state • Isolated: no...
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This note was uploaded on 02/06/2014 for the course BCHB 501 taught by Professor Jessicajones,elliottcrooke,ericgalsgow,marybethmartin during the Fall '12 term at Georgetown.

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