Carbohydrates Flashcards

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0
Q

What are carbohydrates mainly composed of?

A

Carbon and Hydrogen

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1
Q

Why are carbohydrates so important?

A
energy sources (sugars)
energy storage (starch; glycogen)
structural molecules (cellulose; chitin)
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2
Q

What is the biological term for carbohydrate?

A

Saccharides

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3
Q

What is a carbohydrate composed of one saccharides molecules called?

A

Monosaccharides

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4
Q

What is a carbohydrate composed of two saccharides molecules called?

A

Disaccharides

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5
Q

What is a carbohydrate composed of 3-10 saccharides molecules called?

A

oligosaccharide

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6
Q

What is a carbohydrate composed many saccharides molecules?

A

Polysaccharides (i.e. more than 10)

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7
Q

What are the monomers of carbohydrates?

A

Monosaccharides are the basic units (monomers) of all carbohydrates

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8
Q

Name three monosaccharides

A

Glucose
Fructose
Galactose

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9
Q

What are isomers?

A

compounds with the same molecular formula but different structural formulas

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10
Q

All sugars have…

A

…ring structures

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11
Q

What are dissaccharides?

A

Disaccharides are polymers containing two monosaccharides

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12
Q

Name three disaccharides and how they are formed.

A

Sucrose - glucose + glucose
Lactose - glucose + fructose
Maltose - glucose + galactose

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13
Q

When two sugar molecules join together, a water molecule is released. What is this called?

A

Condensation polymerisation

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14
Q

Name three examples of polysaccharides

A

Glycogen
Starch
Cellulose

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