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BCEM 393 > Draw/Name Carbs > Flashcards

Draw/Name Carbs Flashcards

1
Q

D-glucose has what order of OH/H on the left hand side of its open chain?

A

H
OH
H
H

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2
Q

Draw D-glucose

A 
H
OH
H 
H 
(left side)
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3
Q

Draw alpha-D-glucopyranose

A

alpha anomeric carbon has OH on bottom

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4
Q

Draw beta-D-glucopyranose

A

beta OH on top of anomeric carbon

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5
Q

D-mannose has what order of OH/H on the left side of its open chain?

A

OH
OH
H
H

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6
Q

Draw alpha-D-mannopyranose

A

uwu

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7
Q

D-galactose has what order of OH/H on its left side of its open chain?

A

H
OH
OH
H

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8
Q

Draw beta-D-galactopyranose

A

owo

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9
Q

What is the structure of D-fructose?

A 
C-2 has = O
Left side of open chain order:
OH
H
H
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10
Q

Draw alpha-D-fructofuranose

A

Furanose = 5 member chain!

Has two CH2OH branches, one on each side of -O-

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11
Q

What is the structure of D-ribose?

A 
5C
left side order of open chain:
H
H
H
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12
Q

Draw beta-D-ribofuranose

A

u got this :)

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13
Q

Is maltose reducing or non-reducing sugar?

A

Reducing

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14
Q

What is the structural name of maltose?

A

alpha-D-glucopyranosyl-(1->4)-alpha-D-glucopyranose

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15
Q

Draw maltose

A

1-4 glycosidic bond :)

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16
Q

Is sucrose reducing or non-reducing sugar?

A

Non-reducing

17
Q

What is the structural name of sucrose?

A

alpha-D-glucopyranosyl-(1->2)-beta-D-fructofuranose

18
Q

Draw sucrose

A

alpha D glucopyranose + beta D fructofuranose

19
Q

Is lactose a reducing or non-reducing sugar?

A

Reducing

20
Q

What is the structural name of lactose?

A

beta-D-galactopyranosyl-(1->4)-alpha-D-glucopyranose

21
Q

Draw lactose

A

beta D galactopyranose + alpha D glucopyranose

22
Q

What is glycogen?

A

energy storage of polysaccharides in animals, large and branched homopolysaccharide linked by alpha-1-4-glycosidic bonds, branches as alpha-1,6-glycosidic bonds in every 12 units

23
Q

What is amylopectin?

A

water insoluble polysaccharide and highly branched polymer of alpha-glucose units found in plants

24
Q

What is amylose?

A

Polysaccharide made of alpha-D-glucose units, bound to each other through alpha-1,4-glycosidic bonds

BCEM 393 (35 decks)

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