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AQA Biology AS level H > Sugars > Flashcards

Sugars Flashcards

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1
Q

What elements are carbohydrates composed of?

A

C
H
O

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2
Q

What is a Monosaccharide?

A

A monomer of Carbohydrates

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3
Q

What are the 6 monosaccharides?

A

Glucose x Glucose
Glucose x Fructose
Glucose x Galactose

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4
Q

What are the monosaccharides for Maltose?

A

Glucose x Glucose

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5
Q

What are the monosaccharides for Sucrose?

A

Glucose x Fructose

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6
Q

What are the monosaccharides for Lactose?

A

Glucose x Galactose

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7
Q

What type of sugar is Glucose?

A

A hexose sugar

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8
Q

What is a hexose sugar?

A

A monosaccharide with six carbon atoms in each molecule

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9
Q

What are the two types of Glucose?

A

Alpha

Beta

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10
Q

What are alpha and beta glucose?

A

Isomers

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11
Q

What are isomers?

A

Molecules with the same molecular formula as each other but the atoms are connected in a different way

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12
Q

How do you know if it is a alpha glucose molecule?

A

The OH on the right is at the bottom

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13
Q

How do you know if it is a beta glucose molecule?

A

The OH on the right is at the top

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14
Q

How is a Disaccharide formed?

A

When two monosaccharides join together

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15
Q

How are monosaccharides joined together?

A

Condensation reaction

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16
Q

What bond forms between two monosaccharides during a condensation reaction?

A

Glycosidic bond

AQA Biology AS level H (4 decks)

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