Biochemical Molecules and Processes - Carbohydrates II - 11/11/24
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| how is a disaccharide formed? | linking of 2 sugars by an O-glycosidic bond
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| bond in sucrose? | 1-2 glycosidic bond
glucose (C1) and fructose (C2)
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| how is sucrose a non-reducing sugar? | 1-2 glycosidic bond takes up both anomeric carbons so disaccharide cannot open so cannot react with reducing agents
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| lactose? | 1,4-glycosidic link
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| glycogen? | alpha-1-4, glycosidic bonds
branches roughly every 10 units in an alpha-1,6 glycosidic bond
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| cellulose? | isomer of alpha-amylose
beta glycosidic links
inverted flip 180 interval to facilitate formation of glycosidic link
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| hyaluronic acid? | component in synovial fluid and vitreous humour of eye, skin moisture and ageing, occurs in capsules surrounding bacteria
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| hyaluronic acid is also known as? | hyaluronate
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| describe linkages in hyaluronate | 250-25000 beta1-4 linked disaccharide units consiisting of D-glucuronic acid and N-acetyl-D-glucosamine linked by a beta 1-3 bond
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| how does penicillin kill susceptible bacteria | specifically inhibiting transpeptidase
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| transpeptidase? | catalyses final step in cell wall biosynthesis, cross linking of peptidoglycan
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| by inhibiting transpeptidase, what is the result? | weak cell wall and osmotic lysis of bacterium
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