mcb450-7s07

mcb450-7s07 - Lecture 7 Carbohydrates and Cell Surfaces Do...

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Lecture 7 Carbohydrates and Cell Surfaces Do Problem Set #1 on website. Mintel Office Hours – Noyes 208 Tuesday 2/6 1:00-2:30 PM Wednesday 2/7 3:30-5:00 PM Thursday 2/8 1:00-2:30 PM
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Classification Aldoses Have free aldehyde group Ketoses Have keto group
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Open-Chain and Haworth Projections Glucose
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Open-Chain and Haworth Projections Galactose, an epimer of glucose at C4.
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Open-Chain and Haworth Projections Fructose
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Open-Chain and Haworth Projections Ribose
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Reducing Sugars Sugars having an aldehyde group, or being in equilibrium with sugars have an aldehyde group. Examples: Glucose, galactose, and ribose all can exist in an open-chain form having a free –CHO group.
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Sugar Alcohols
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Deoxy Sugars A cardiac glycoside Inhibits Na + K + ATPase
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Sugar Esters Ester is a dehydration product of an acid and an alcohol. In this case the alcohol is the –OH group of a sugar, and the acid is phosphoric acid.
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mcb450-7s07 - Lecture 7 Carbohydrates and Cell Surfaces Do...

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