Biological Molecules Flashcards
Carbohydrates
CxH2xOx molecules
One-sugar molecule
Monosaccharide
Two-sugar molecule
Disaccharide
Many-sugar molecule
Polysaccharide
Gylcogen
Excess sugar that the body doesn’t need is converted into glycogen
Different hexose sugars (C6H12O6)…
- Alpha glucose (below)
- Beta glucose (above)
- Fructose
- Galactose
Alpha glucose is used for…
Energy
Beta glucose is used for…
Cell walls
Glucose both exists in what 2 forms?
- which form gives a positive sugar test result?
Ring and straight chain
- straight chain gives positive result
Maltose
2x Alpha glucose
Cellobiose
2x Beta glucose
Sucrose
Alpha glucose + fructose
Lactose
Alpha glucose + galactose
Proteins are made of…
Amino acids / peptides
Structure of a peptide
R group (variable) I Amine group -- C -- Carboxyl group I H
Lipids come in two forms…
Fats (animals) and Oils (plants)
Lipids are made from..
1x Glycerol
3x Fatty acid tails