Glucides Flashcards

(25 cards)

1
Q

Holosides

A

Oses simples

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2
Q

Oligosides

A

Moins de 10 oses

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3
Q

Polyosides

A

+ de 10 oses

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4
Q

Heterosides

A

Holosides+ une partie aglycane

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5
Q

Oses

A

Composés non ramifiés dans lesquels tout les carbones portent une fonction alcool 1er ou 2sd sauf 1 avec une fonction aldéhyde ou cétone

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6
Q

Aldoses

A

Sucre des aldéhyde,

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7
Q

Aldéhyde

A

Mol avec fonction CHO

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8
Q

Cétoses

A

Sucres des cétoses

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9
Q

Cétone

A

Mol avec fonction C=O

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10
Q

Diholosides

A

Deux monosaccharides

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11
Q

Exemple diholosides

A

Saccharose, maltose(glucose/glucose), lactose(galactose/glucose), cellobiose(glucose/glucose)

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12
Q

Saccharose

A

Glucose alpha1, beta2 fructose

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13
Q

Maltose

A

Glucose alpha1,4 glucose

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14
Q

Lactose

A

Galactose beta1.4 glucose

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15
Q

Cellobiose

A

Glucose beta1.4 glucose

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16
Q

Triholosides

A

3 monosaccharides

17
Q

Exemple triholosides

18
Q

Polyosides

A

Cellulose glucose en beta1.4

19
Q

Amidon

A

Polyosides, polymère l’amylose et amylopectine

20
Q

Glycogène

A

Glucose ramifiés en alpha 1.4

21
Q

Caractéristiques lipides

A

Insolubles dans l’eau, sources d’énergie, constituant membrane biologique, hormones

22
Q

Acides gras

A

Lipides simples avec chaîne hydrocarboné avec grp carboxylique

23
Q

Différences entre acides gras

A

Présence instauration (=double liaisons)

24
Q

Triglycérides

A

Mol de glycérol et 3 acides gras, forme stockage des acides gras

25
Glycerophopholypides
Dérive de l'acide phosphatidique + résidu, compose membrane biologique