Carbohydrates

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What is a monosaccharide?
An individual sugar molecule
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What is an isomer?
Molecules with the same chemical formulae but a different arrangement of atoms
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What is a polymer?
A large molecule comprising repeated units, monomers, bonded together
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What elements are carbs made of?
Carbon, Hydrogen and Oxygen
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What is the general formula of a monosaccharide?
(CH2O)n
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What is the difference between alpha glucose and beta glucose?
Alpha has a hydrogen group above the plane of the ring on carbon atom 1, whereas beta has a hydroxyl group above the plane of the ring on carbon atom 1
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Give the four uses of monosaccharides.
A source of energy in respiration; building blocks for larger molecules; intermediates in reactions; constituents of nucleotides
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What bond joins monosaccharides?
Glycosidic
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What does Glucose + Glucose form?
Maltose
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What is lactose made of?
Alpha glucose + galactose
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What does glucose + fructose form?
Sucrose
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Where is maltose found?
Germinating seeds
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Where is sucrose found?
Transport in phloem of flowering plants
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Card 2

Front

What is an isomer?

Back

Molecules with the same chemical formulae but a different arrangement of atoms

Card 3

Front

What is a polymer?

Back

Preview of the front of card 3

Card 4

Front

What elements are carbs made of?

Back

Preview of the front of card 4

Card 5

Front

What is the general formula of a monosaccharide?

Back

Preview of the front of card 5
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