Chp 6—Carbohydrates Flashcards by Samantha Boyer

Q

draw
D-ribose
a-D-ribofuranose

A

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Q

A

ribose

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Q

draw
D-glucose
a-D-glucopyranose

A

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Q

A

glucose

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Q

draw
D-galactose
a-D-galactopyranose

A

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Q

A

galactose

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Q

draw
D-fructose
a-D-fructofuranose

A

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Q

A

fructose

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Q

draw
D-ribulose
a-D-ribulofuranose

A

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Q

A

ribulose

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Q

draw
D-mannose
a-D-mannopyranose

A

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Q

A

mannose

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Q

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

name

draw

A

maltose

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Q

a-D-glucopyranosyl-(1->1)-a-D-glucopyranose

name

draw

A

trehalose

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Q

a-D-glucopyranosyl-(1->2)-B-D-fructofuranose

name

draw

A

sucrose

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Q

B-D-galactopyranosyl-(1->4)-D-glucopyranose

name

draw

A

lactose

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Q

a-D-glucopyranosyl-(1->6)-a-D-glucopyranose

name

draw

A

isomaltose

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Q

starch structure

A

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Q

cellulose structure

A

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Q

3 C carb

A

triose

Q

4 C carb

A

tetrose

Q

5 C carb

A

pentose

Q

6 C carb

A

hexose

Q

sugar L configuation

A

bottom OH on the left

Q

sugar D configuration

A

bottom OH on the right

Q

anomers

A

alpha and beta forms of haworth projection

Q

alpha haworth

A

lowest OH faces down

Q

beta haworth

A

lowest OH faces up

Q

5 mem ring

A

furanose

Q

6 mem ring

A

pyranose

Q

for D sugars, CH2OH is pointed…

A

up on C4 or C5

Q

bottom OH on fischer becomes what on haworth?

A

ether oxygen
H goes to the alpha/beta OH

Q

carbonyl O on fischer becomes what on haworth?

A

O of the OH

Q

ribose classification

A

aldopentose

Q

glucose classification

A

aldohexose

Q

galactose classification

A

aldohexose

Q

fructose classification

A

ketohexose

Q

ribulose classifcation

A

ketopentose

Q

mannose classification

A

aldohexose

Q

disaccharide nomenclature

A

sugar-yl-(#C –> #C)-sugar

Q

O linked glycosylation

A

on serione, threonine

Q

N linked glycosylation

A

on asparagine

Q

application of glycosylation

A

drug masking

Q

2 types of polysaccharide

A

hetero
homo

Q

examples of polysaccharides

A

starch
cellulose
peptidoglycan
chitin
glycogen

Q

present on reducing sugars

A

hemiacetal group
OH on same C attached to ether O

Q

special about reducing sugars

A

can be trapped in fischer projection form

Q

3 tests for reducing sugars

A

Benedicts test
Fehling’s test
Tollens test

Q

intensity of reducing sugar positive given by…..

A

number of hemiacetals exposed