Carbohydrates (OCR A-Level Biology A): Flashcards
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Practise the cards
10 cards from this deck
3 main functions of carbohydrates
3 main functions of carbohydrates
Energy sources, energy stores, structural components
Elements in carbohydrates & H:O ratio
Elements in carbohydrates & H:O ratio
C, H, O with H:O ratio of 2:1
α-glucose vs β-glucose: -OH position on C1
α-glucose vs β-glucose: -OH position on C1
α-glucose: -OH below ring; β-glucose: -OH above ring
What occurs in a condensation reaction?
What occurs in a condensation reaction?
Water removed, glycosidic bond forms between monosaccharides
Monosaccharides that form maltose
Monosaccharides that form maltose
Glucose + glucose
Benedict's test positive result colour
Benedict's test positive result colour
Blue → green → yellow → orange → brick red
Two molecules that make up starch
Two molecules that make up starch
Amylose and amylopectin
Iodine test positive result for starch
Iodine test positive result for starch
Blue-black colour
Glycogen vs starch branching
Glycogen vs starch branching
Glycogen more branched than starch
Monomer of cellulose
Monomer of cellulose
β-glucose
