Biomolecules (Leaving Cert Biology): Revision Notes
📚 Revision Notes
Biomolecules
Living organisms require food:
- For heat and energy
- For growth, maintenance and repair of bodily cells
- To control chemical reactions in cells
Biomolecules
- Biomolecules: organic compounds made in living organisms.
- Macronutrients: needed in large amounts-protein, fats and carbohydrates.
- Micronutrients: needed in small amounts-vitamins and minerals.
- Common elements: Carbon, hydrogen, oxygen, nitrogen, phosphorus and sulphur.
- Inorganic compounds: Carbon dioxide & sodium chloride
- Trace elements: Iron, copper & zinc
infoNote
Exam Focus: Name a trace element.
- Iron
- Copper
- Zinc
