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25 Cards in this Set
- Front
- Back
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How many secondary alcohol groups are in D-aldohexose?
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4
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What is the most oxidized carbon in D-aldohexose?
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carbon1
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How many chiral centers are in D-aldohexose?
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4
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A trisaccaride made from aldoses has how many acetal/hemiacetla linkages?
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2 acetal linkages
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Is fructose capable of making a hemiacetal or hemiketal?
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hemiketal - fructose has no aldehyde group
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draw glucose, galactose, mannose, and talose
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a
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If CH2OH and C1 group are CIS, do we make an alpha or beta glycosidic bond?
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You make a beta glycosidic bond
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sucrose - is it a alpha 1,4 or alpha 1,2 linkage?
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alpha 1,2
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in sucrose, is the disaccaride formed by a ketal or acetal linkage?
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ketal
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is sucrose a reducing sugar?
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no
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when aldose turns to ketose, is there a loss of a chiral cetner?/
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yes
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which marcomolecule is most chiral: rna, dna, fatty acid triglyceride, sulfonated polystyrene?
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rna
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draw mannose, galactose, ribose, allose
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a
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Is HCl/Fe a reducing agent?
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yes
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around which carbon are glucose and galactose epimers?
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flirp around carbon 4
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are d-glucose and l-glucose enantiomers?
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yes
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when 2 monosaccardies make a disaccaride, is there oxidation of the anomeric carbon?
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no
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if there's 17 carbons in a trisaccardie, how many O and H?
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C17 H40 O15
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if there's 17 carbons in a monosaccardie, how many O and H?
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C17H34O17
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aldose becomes carboxylate - oxidation happened?
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YES!
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can ketose become carboxylate?
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no, only aldose
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aldose to acetal - oxidation?
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no
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alcose to hex alcohol- oxidation?
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no
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does amylopectin have alpha 1,6 branching?
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yes
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does amylose have alpha 1,6 branching?
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no
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