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NYCC Biochem I > Monosaccharides > Flashcards

Monosaccharides Flashcards

1
Q

name the aldose triose

A

glyceraldehyde

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2
Q

how many chiral carbons in a triose aldose?

A

1

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3
Q

how many total stereoisomers for an aldose triose?

A

2

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4
Q

how many naturally occurring stereoisomers for a triose aldose?

A

1
(2/2=1)

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5
Q

draw the structure of an aldose triose

A

(D-Glyceraldehyde)

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6
Q

name the ketose triose

A

dihydroxyacetone

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7
Q

how many chiral carbons in a triose ketose?

A

0

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8
Q

how many total stereoisomers for a ketose triose?

A

1

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9
Q

how many naturally occurring stereoisomers for a triose ketose?

A

1

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10
Q

Name an aldose tetrose

A

L- or D-Erythrose

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11
Q

Draw the structure of the ketose triose

A

(Dihydroxyacetone)

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12
Q

How many chiral carbons in a tetrose aldose?

A

2

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13
Q

How many total stereoisomers for an aldose tetrose?

A

4

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14
Q

How many naturally occurring stereoisomers for a tetrose aldose?

A

2

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15
Q

Draw the structure of an aldose tetrose

A

(D-Erythrose)

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16
Q

Name an aldose pentose

A

D-Ribose

17
Q

How many chiral carbons in a pentose aldose?

A

3 (5-2=3)

18
Q

How many total stereoisomers for an aldose pentose?

A

8 (2^3=8)

19
Q

How many naturally occurring stereoisomers for a pentose aldose?

A

4 (8/2=4)

20
Q

Draw the structure of a pentose aldose

A

(D-Ribose)

21
Q

Name a ketose pentose

A

D-ribulose

22
Q

Name three aldose hexoses

A

D-Glucose
D-Mannose
D-Galactose

23
Q

How many chiral carbons in a hexose aldose?

A

4

24
Q

How many stereoisomers for an aldose hexose?

A

16

25
Q

How many naturally occurring stereoisomers for a hexose aldose?

A

8

26
Q

Draw the structure of a hexose aldose

A

(Glucose, D-mannose, D-galactose)

27
Q

Name a ketose hexose

A

Fructose

NYCC Biochem I (46 decks)

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