Cellobiose is identical with maltose except that the former has a β-1, 4-glycosidic linkage True False
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Cellobiose is identical with maltose except that the former has a β-1, 4-glycosidic linkage
True
False
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- Penicillin reacts with the cysteine residue of penicillin binding protein. Show the reaction here.You need to resuspend lyophilized protein in a solution of 5mM HEPES with 20% glycerol. Describe how you would make 1mL of this solution. HINT: you can make a greater volume of 5mM HEPES.Which sugar is better to use as substitute for table sugar for diabetics, L-arabinose or maltose? Explain why.
- what functional group in any thiourea azo derivatives that is responsible for antibacterial activityExplain why bacteria with the gene for the enzyme beta-lactamase are not susceptible to penicillin G. Support your explanation by creating a diagram of penicillin G. Label the beta-lactam ring.In the isolation of glycogen from liver, why it is necessary to filter the solution while it is still hot? Explain in 1-3 sentences
- Mannose and galactose are they epimers? What is the difference between allose and altrose? What are gulose and talose?What is the difference between ribose and arabinose? Consider d-sugars alone. Justify your responses.The disaccharide shown is composed of two units of D-glucose joined with a β (1->6) linkage and is incorporated into the chemical structure of crocin, the chemical compound that gives saffron its color True FalseLactose is made up of D-galactose and one unit of D-glucose joined by a alpa-1,4-glycosidic bond and can be hydrolyzed by the enzyme lactase True False