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Questions and Answers
Oligosaccharides are usually fully digested by human enzymes.
False
Polysaccharides can be classified as hexosans or pentosans based on the number of carbon atoms.
False
Nonstarch polysaccharides are easily digested by human enzymes.
False
Disaccharides are products of two monosaccharide units.
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Reducing sugars have their aldehyde or ketone group reduced to an alcohol group.
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Nucleosides and glycosides are examples of polysaccharides.
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Monosaccharides are classified by their type of carbonyl group and their number of oxygen atoms.
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All monosaccharides contain at least four carbon atoms.
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In ketoses, the most oxidized carbon atom is usually C-3.
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Glycoconjugates are carbohydrate derivatives linked covalently to a peptide, protein, or nucleic acid.
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Oligosaccharides and polysaccharides have the empirical formula because water is retained during polymer formation.
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Fischer projections designate L (for left) and D (for right) based on the configuration of the chiral carbon C-1.
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Amylose is a branched polymer of D-glucose residues connected by α-(1 --> 4) glycosidic linkages.
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Cellulose and chitin are examples of storage polysaccharides.
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Excess glucose in species can only be used to produce metabolic energy.
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Nucleosides are polymers containing residues of more than one type of monosaccharide.
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Amylopectin is an unbranched version of amylose.
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Starch in plant cells is only present as amylopectin.
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