Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
AS Biology - MolVar
AS Biology - Biological Molecules
| Class | Components | Chemical Element | Foods containing it | Role in the body / function | Examples |
|---|---|---|---|---|---|
| Proteins | Amino Acids | Nitrogen (N) Sulphur (S) Carbon (C) Oxygen (O) Hydrogen (H) | Meat, fish, eggs, milk | Control and catalyse: -growth -repair -local transport process | -Membrane proteins -Enzymes: ie. amylase (breaks down starch) |
| Carbohydrates | Monosaccharides | Carbon (C) Oxygen (O) Hydrogen (H) | -Sugar foods: sweets, cake, jam -Starch foods: bread, rice, pasta, flour | Provide cells with energy (short-term) | -Glucose, fructose -Starch, Cellulose |
| Lipids | -Glycerol -Fatty Acids | Carbon (C) Oxygen (O) Hydrogen (H) | Butter, cheese, nuts, crisps | -Provide cells with energy (long-term) -Major components of cell membranes -Insulation of body | -Phospholipids in cell membrane -Butyric acid (=butter fat) -Stearic acid -Cholesterol |
| Minerals | Ions | Potassium (K+) Sodium (Na+) Calcium (Ca2+) Iron (Fe3+) Magnesium (Mg2+) Chloride (Cl-) Fluoride (F-) and others | Milk, cheese, salt (NaCl) | various | -bones and teeth (calcium) -Red blood cells (iron) -Electric transmission in the brain (Na+, K+, Cl-) |
| Vitamins | Various | Various | Fruits Vegetables | Various | -Vitamin C (healthy skin, gums and bones) -Vitamin D (healthy teeth and bones, needed for absorption of calcium) |
Created by:
1sabelle