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CIE AS Biology - Biological Molecules Questions and Answers

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CIE AS Biology - Biological Molecules Questions and Answers

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CIE AS Biology - Biological Molecules
Questions and Answers
Monosaccharides - Answer-What is a carbohydrate made up of

(CH2O)n - Answer-General formula of a monosaccharide

Beta Glucose - Answer-Hydroxyl group on C1 is above ring structure

Alpha Glucose - Answer-Hydroxyl group on C1 is below ring structure

Source of energy in respiration - Answer-Role of Alpha Glucose in living organisms

Building block for larger molecules - Answer-Role of Beta Glucose in living organisms

Condensation Reaction - Answer-Reaction whereby a molecule of H2O is produced

Hydrolysis - Answer-Adding water to break a bond

Glycosidic bond - Answer-The bond that forms due to a condensation rxn

Fructose + Glucose - Answer-Sucrose

Glucose + Galactose - Answer-Lactose

Glucose + Glucose - Answer-Maltose

Amylose - Answer-Long unbranched alpha glucose chain (1.4 linkages)

Amylopectin - Answer-Long branched chains of alpha glucose (1.6 linkages)

Starch - Answer-Mixture of amylose and amylopectin builds large ______ grains

Glycogen - Answer-Chains of 1.4 linked alpha glucoses with 1.6 linkages forming
branches

More branched than amylopectin

Clumps together to form granules

Cellulose - Answer-Beta glucose molecules

Linked at 180 degrees to one another

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