Les Gucides Flashcards

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1
Q

Glucide def

A

Sucres, oses, hydrates de carbone
Constituer de C H et O
Role energetique
-oses
-diholosides
-polyoside
-heterosides

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2
Q

Oses simples

A

Monomere, monosaccharides
Hydrophile hydrosolubles
Sucres rapide
Une ou plusieurs fonctions alcool + fct aldehyde ou cetone
-glucose
-fructose
-galactose
-ribose
-desoxyribose

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3
Q

Glucose

A

Issu digestion glucides complexe
Principale source energie

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4
Q

Fructose

A

Present dans fruit

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5
Q

Galactose

A

Present dans lait

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6
Q

Ribose

A

Dans ARN

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7
Q

Desoxyribose

A

Dans ADN

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8
Q

Diholosides

A

Diosides disaccharide
2 oses simples liés par liaison osidique (liberation eau)

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9
Q

Saccharose

A

Glucose + fructure
Sucre de table

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10
Q

Lactose

A

Glucose + galactose
Sucre ds lait

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11
Q

Maltose

A

2 glucose
Sucre de mal (alcool)

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12
Q

Heterosides

A

Association glucide + substances non glucidiques (aglycone)

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13
Q

Glycoprotéines

A

Proteine + glucide

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14
Q

Glycolipide

A

Glucide + lipide

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15
Q

Nucleoside

A

Base azotée + glucide

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16
Q

Polyholosides

A

Polyosides, polymere d’ose simples lies par liaison osidique

17
Q

Glycogene

A

Reserve du glucose (foie / muscles)
Reserve energetique qui par glycogenolyse libère glucose

18
Q

Amidon

A

Reserve glucose milieu végétale
Pomme de terre et produit base de céréales

19
Q

Cellulose

A

Ds cellules végétales non dirigées par l’homme mais rôle important dans transit intestinal