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ceecee1 > Carbohydrates > Flashcards

Carbohydrates Flashcards

1
Q

An aldehyde or ketones derivatives of polyhydroxy-alcohol

A

Carbohydrates

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2
Q

Carbohydrates is composed of which elements?

A

Carbon, Hydrogen, Oxygen (CHO)

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3
Q

How are carbohydrates classified?

A

Based on number of saccharide units
Based of functional group

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4
Q

Functional group present in carbohydrates: (2)

A

Aldehydes
Ketones

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5
Q

Most abundant CHO in the body

A

Glucose

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6
Q

Monosaccharide found in nucleic acid

A

Ribose and Deoxyribose

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7
Q

What bonds 2 monosaccharides together?

A

Glycosidic bond/linkage

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8
Q

Types of glycosidic bond and its orientation

A

Alpha - oriented down
Beta - oriented up

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9
Q

Monosaccharides present in sucrose

A

Glucose + Fructose

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10
Q

Table sugar

A

Sucrose

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11
Q

Glycosidic bond of sucrose

A

alpha (oriented down)

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12
Q

Monosaccharides present in lactose

A

Glucose + Galactose

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13
Q

Glycosidic bond of lactose

A

Beta (oriented up)

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14
Q

Principal Disaccharide in milk in cows & human

A

Lactose

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15
Q

Monosaccharides present in Maltose

A

Glucose + Glucose

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16
Q

Glycosidic bond of maltose

A

alpha (oriented down)

16
Q

Carbohydrates containing ≥ 3 monosaccharides units

A

Polysaccharides

17
Q

Monosaccharides present in cellulose

A

Glucose

18
Q

Polysaccharides Found in cells of nearly all plants

A

Cellulose

19
Q

Cellulose is the main polysaccharide found in seeds/roots of plants. It cannot be digested by humans.

a. 1st statement is true, 2nd statement of true
b. 1st statement is true, 2nd statement of false
c. 1st statement is false, 2nd statement of true
d. 1st statement is false, 2nd statement of false

A

c. 1st statement is false, 2nd statement of true

Starch is the main polysaccharide found in seeds/roots of plants.

Cellulose is a polysaccharide found in cells of nearly all plants. It cannot be digested by humans.

20
Q

Major form of polysaccharides found in animals/human

A

Glycogen

21
Q

Glycogen is stored in which part of the body?

A

Liver (majority)
Muscles

22
Q

Unbranched type of starch and its percentage

A

Amylose (20%)

23
Q

Branched type of starch and its percentage

A

Amylopectin (80%)

24
Q

How is monosaccharides classified?

A

Based of functional group
Based on number of carbon group

25
Q

How many carbon groups are usually present in monosaccharides?

A

3-6 carbon group

26
Q

Functional group is at the END of carbon chain

A

Aldehyde (Aldose)

27
Q

Functional group is in between the 2 carbon groups

A

Ketones (Ketose)

27
Q
A

ceecee1 (9 decks)

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