Biochem - Chronic Diseas Flashcards

1
Q

Overview of carbs

A
Most abundant organic molecule in nature 
Energy source 
Energy storage
Structural component 
Immune function
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2
Q

Sugar units in a monosaccharide

A

1

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3
Q

Sugar units in a disaccharide

A

2

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4
Q

Sugar units in an oligosaccharide

A

3 to 10

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5
Q

Sugar units in a polysaccharide

A

11 to >100

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6
Q

How are monosaccharides classified

A

No. carbons

Functional group

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7
Q

Generic name for 3 carbon monosaccharides

A

Trioses

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8
Q

Generic name for 4 carbon monosaccharides

A

Tetroses

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9
Q

Generic name for 5 carbon monosaccharides

A

Pentoses

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10
Q

Generic name for 6 carbon monosaccharides

A

Hexoses

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11
Q

Generic name for 7 carbon monosaccharides

A

Heptoses

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12
Q

Generic name for 9 carbon monosaccharides

A

Nonoses

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13
Q

Aldoses

A

Aldehyde functional group

-ose

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14
Q

Ketoses

A

Ketone functional group

-ulose

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15
Q

Isomers

A

Compounds w/ same chemical formula but diff structures

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16
Q

Epimers

A

Carbohydrate isomers that differ in configuration around only one spp C atom are defined as epimers of each other

17
Q

Enantiomers

A

Pairs of structures that are mirror images of each other

18
Q

Cyclicization of monosaccharides

A

Pyranose ring

Furanose ring

19
Q

Pyranose rings

A

5 carbon atoms and 1 oxygen atom

20
Q

Furanose rings

A

4 carbon atoms and 1 oxygen atom

21
Q

Common monosaccharides

A

Glucose
Fructose
Galactose

22
Q

Info about glucose

A

Primary energy source
Preferred energy source of brain
Required energy source of cells w/ few or no mitochondria
Essential in exercising muscle

23
Q

Sources of glucose

A

Diet
Degradation of glycogen
Gluconeogenesis

24
Q

Taste of fructose

A

Sweeter than glucose

25
Q

Sources of fructose

A

Fruits
Vegetables
Honey

26
Q

Taste of galactose

A

Less sweet than glucose

27
Q

Source of galactose

A

Dairy products

28
Q

Common disaccharides

A

Sucrose
Maltose
Lactose

29
Q

Sucrose

A

glucose + fructose, alpha (1 —>2)beta-glycosidic bond

30
Q

Maltose

A

Glucose + glucose, alpha(1—> 4)-glycosidic bond

31
Q

Lactose

A

Glucose + galactose, beta(1 —> 4)-glycosidic bond

32
Q

Examples of polysaccharides

A

Cellulose
Starch
Glycogen

33
Q

Cellulose

A

Structural polysaccharides

beta 1 –> 4 glycosidic bond between glucose and glucose

34
Q

Starch

A

Storage polysaccharide, alpha(1—>4)-glycosidic bond between glucose and glucose
Amylose – unbranched, only alpha(1→4) linkages
Amylopectin - branched,

35
Q

Glycogen

A

Storage polysaccharide

alpha 1,4 and 1,6 glycosidic bonds