5.2 Sugars Flashcards

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1
Q

monosaccharides generally have molecular formulas that are

A

some multiple of the unit CH2O

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2
Q

(pg 70) how are monosaccharides classified

A

1-aldose or ketose -based on location of carbonyl group
2- classified by length of carbon skeletons
3- the spatial arrangement around asymmetric carbons (like enantiomers)

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3
Q

glucose:

A

aldose
hexose (6 carbons)
form rings

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4
Q

functions of monosaccharides

A

1 cellular respiration
]2 their carbon skeletons serve as raw material for synthesis of other small organic molecules (like amino acids and fatty acids )

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5
Q

what links two monosaccharides in a disaccharide

A

glycosidic linkage

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6
Q

two bonded glucoses makes

A

maltose (disaccharide) -

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7
Q

the most prevalent disaccharide:

A

sucrose (table sugar)

made of glucose and fructose

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8
Q

lactose is made from

A

glucose and galactose

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