Carbohydrates + Lipids Flashcards
(32 cards)
Ratio
1C:2H:1O
Hydrophilic or Hydrophobic?
Hydrophilic
Building blocks
Monosaccharides
Contain
Hydroxyl group
Monosaccharides
- one sugar
* 3-7 Carbon atoms
Pentose sugars
Ribose + deoxyribose, part of RNA + DNA
Hexose sugars
Glucose, Fructose, Galactose
Glucose
Source of energy for most living organisms, form other OC
Fructose
Fruit and honey
Galactose
Milk sugar
Disaccharides
2 monosaccharides bound together
Glucose + Glucose
Maltose
Glucose + Fructose
Sucrose
Glucose + Galactose
Lactose
Polysaccharides
Many sugar molecules linked together
Starch
Energy storage in plants
Glycogen
Energy storage in animals, fat and liver cells
Cellulose
- structural component of cell walls
- support and structure
- hydrophobic
- cannot digest it
Chitin
Exoskeleton of insects, cell walls of fungi
Lipids
Fats, oils, waxes
Soluble in
- non polar solvents
- hydrophobic
- long chains of C and H, few functional O groups
Building blocks
Glycerol and fatty acids
Glycerol
Alcohol with 3 hydroxyl groups
Fatty acids
Long hydrocarbon chains