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13 Cards in this Set
- Front
- Back
How do the ą and B forms of glucose differ? |
Their ring structures differ in the location of a hydroxyl group. |
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Which of the following can vary among monossacharides? |
The number of carbon atoms |
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What is the difference between an aldose sugar and a ketose sugar? |
The position of the carbonyl group |
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Glucose (C6H12O6) has a single carbonyl group (-C=O) in its linear form. Based on the number of oxygen atoms in glucose, how many hydroxyl groups (-OH) would you expect glucose to have? |
5 |
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The molecule shown in the accompanying figure is... |
A hexose |
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A molecule with the chemical formula C6H12O6 is probably a... |
Monossacharide |
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Which of the following linkages would you expect to find at a branch point in glycogen or amylopectin? |
ą-1, 6-glycosidic linkage |
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Which of the following molecules contains at least one peptide bond? |
Peptidoglycan |
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What role, if any, did polysaccharides play in chemical evolution? |
Polysaccharides played little, if any, role in chemical evolution |
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What is the major structural difference between starch and glycogen? |
The amount of branching that occurs in the molecule |
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Which of the following do starch and cellulose have in common? |
The size of their monossacharide subunits |
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Which of the following structural features is common to cellulose, chitin,and peptidoglycan? |
They can all form bonds between polymer chains that create parallel strands. |
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A glycosidic linkage is analogous to which of the following in proteins? |
A peptide bond |