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Year Two > Biochemistry of Carbohydrates > Flashcards

Biochemistry of Carbohydrates Flashcards

1
Q

Carbohydrates that contain 2-10 monosaccharide units are?

A

Oligosaccharides

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2
Q

The most abundant oligosaccharides found in nature are?

A

Disaccharides

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3
Q

Two monosaccharides covalently bonded together by glycosidic linkages are?

A

Disaccharides

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4
Q

The hydroxyl group of one sugar reacting with the anomeric carbon of the other sugar forms?

A

Glycosidic linkages

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5
Q

Examples of disaccharides are?

A

Maltose
Sucrose
Lactose

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6
Q

The major degradative product of starch is?

A

Maltose

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7
Q

Maltose is hydrolyzed into?

A

Two molecules of Alpha D-glucose

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8
Q

Maltose is hydrolyzed by?

A

The intestinal enzyme maltase

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9
Q

The glycosidic linkages found in maltose are?

A

Alpha 1,4 glycosidic linkages

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10
Q

Lactose is hydrolyzed into?

A

Beta D-galactose and D-glucose

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11
Q

Lactose is hydrolyzed by?

A

Lactase

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12
Q

The glycosidic linkages found in lactose are?

A

Beta 1,4 glycosidic linkages

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13
Q

Sucrose is hydrolyzed into?

A

Alpha D-glucose and Beta D-fructose

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14
Q

Sucrose is hydrolyzed by?

A

Sucrase

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15
Q

Why is sucrose a non-reducing sugar?

A

Sucrose has no free anomeric carbon, since both anomeric carbons of both monosaccharides are linked to each other

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16
Q

The glycosidic linkages found in sucrose are?

A

Alpha 1,2 beta glycosidic linkages

17
Q

Long chain polymeric carbohydrates composed of monosaccharide units bound together by glycosidic linkages are?

A

Polysaccharides

18
Q

Two types of polysaccharides are?

A

Homopolysaccharides

Heteropolysaccharides

19
Q

Polysaccharides that contain only one type of monosaccharide building block are?

A

Homopolysaccharides

20
Q

Four examples of homopolysaccharides are?

A

Starch
Glycogen
Cellulose
Dextrin

21
Q

The most important storage polysaccharides in plant cells is?

A

Starch

22
Q

Two polymeric units of glucose found in starch?

A

Amylose

Amylopectin

23
Q

An unbranched polymeric unit made up of 250-300 D-glucose units linked by alpha 1,4 linkages is?

A

Amylose

24
Q

A long branched glucose residue(units) with higher molecular weight is?

A

Amylopectin

25
Q

The branch points of amylopectin are linked?

A

alpha 1,6 glycosidic linkages

26
Q

The inner part of glucose units are joined by?

A

Alpha 1, 4 linkages

27
Q

The main storage polysaccharide of animal cells is?

A

Glycogen

Year Two (27 decks)

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