questions_ch07 - 1 What chemical feature determines if a...

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1 What chemical feature determines if a sugar is an aldose or a ketose? A. The direction of rotation of polarized light B. The position of the carbonyl carbon C. The number of chiral carbons D. If the enantiomers resemble either glyceraldehyde or dihydroxyacetone E. If the epimers differ in configuration around one carbon or more than one carbon
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What name is given to monosaccharides that differ in configuration about the hemiacetal carbon atom? A. Enantiomers B. Glycosides C. Isomers D. Epimers E. Anomers
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Which O -glycosidic bond is commonly found in amylose, amylopectin and glycogen? A. (β 1 4) B. (α 1 6) C. (α 1 4) D. (β 1 6) E. (α 1 3)
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Why is it logical for sugars to be added to only one end of amylopectin or glycogen, making them excellent molecules for glucose storage ? A. Because the other end of the molecule is anchored to a membrane with a lipid. B. Because it is the reducing end, and a reduction reaction is the mechanism for adding the sugar.
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