UT BIO 311C - Carbohydrates (2 pages)

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Lecture number:
Lecture Note
University of Texas at Austin
Bio 311c - Introductory Biology I

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BIO311C 1nd Edition Lecture 4 Outline of Last Lecture Macromolecules Outline of Current Lecture Carbohydrates Functions Orientation Formation Current Lecture Functions Energy storage Structural molecules Recognition signaling molecules found on external walls of cells Aldoses a position of the carbonyl group Carbohydrate formula CH2O Junction of four lines carbon present Linear to a ring form just rearrangement of molecules oxygen goes from double bond to single bonds between carbon and hydrogen Orientation of the aldehyde group when ring structure forms determines whether it s alpha or beta particle Disaccharides form as a result of glycosdic linkage These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Lactase enzyme breaks down lactose the enzymes are named after the molecules they break down Water doesn t break down sucrose without the presence of the enzyme Everytime a disaccharide is formed dehydration reaction takes place so take into account the loss of water molecule when determining its formula Glycogen A lot of glucose packed into small space unlike starch Alpha molecule Cellulose Beta molecule Strictly linear formation A lot of hydrogen bonding Structural polysaccharide

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