Carbohydrates Flashcards

1
Q

Major food source and supply of the body but not the only source of energy

A

Carbohydrates

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2
Q

Carbohydrates contains

A

C,H,O

Carbon
Hydrogen
Oxygen

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3
Q

CHO are _ & _ derivatives of _

A

aldehydes / ketone derivatives of polyhydroxy-alcohol

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4
Q

Monosaccharides are characterized by:

A
  1. Functional Group
    (Aldehyde & Ketone)
  2. Number of Carbon Atoms
    (Triose, Tetrose, Pentose, Hexose)
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5
Q

ALDEHYDE = Aldose = FG found in _

A

last part

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6
Q

KETONE = Ketose = FG in _

A

between 2 C groups

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7
Q

Examples of Monosaccharides:

A

Glucose
Galactose
Fructose
Ribose
Deoxyribose

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8
Q

Monosaccharide found in seminal fluid

A

fructose

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9
Q

has 3-6 carbon atoms only

A

MONOSACCHARIDES
(one saccharide unit only; simplest CHO)

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10
Q

Disaccharides (2 monosaccharide units) joined together by a _

A

glycosidic linkage

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11
Q

glycosidic bond

ALPHA – oriented _
BETA – oriented _

A

alpha: down

beta: up

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12
Q

Disaccharides Examples

A

Sucrose
Maltose
Lactose

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13
Q

Glucose + Fructose

A

Sucrose

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14
Q

Glucose + Glucose

A

Maltose

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15
Q

Glucose + Galactose

A

Lactose

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16
Q

Disaccharides with alpha glycosidic bond

A

Sucrose
Maltose

17
Q

Disaccharides with beta glycosidic bond

A

Lactose

18
Q

also known as Table Sugar

A

Sucrose

19
Q

LACTOSE is the Principal disaccharide found in milk in _ & _

A

cows and humans

20
Q

POLYSACCHARIDES examples

A

Glycogen
Starch
Cellulose

21
Q

Major form of polysaccharide found in animals/human

majority are found in the _ and some in the _.

A

GLYCOGEN

liver; muscle

22
Q

Mainly found in seeds / roots of plants

A

starch

23
Q

two types of starch

A
  1. amylose (20% of total amylase): unbranched
  2. amylopectin : branched
24
Q

Found in cells of nearly all plant cells
Cannot be digested by humans

A

cellulose

25
Q

• Straight Chain
• Unbranched Polysaccharide

A

cellulose
(b-glycosidic bond)

26
Q

Branching Polysaccharide

A

glycogen

27
Q

Repeating Glucose Units

A

cellulose and glycogen