Biology › Biological molecules, water and inorganic ions
Biological molecules, water and inorganic ions
Unit B02 · 4 lessons.
Notes
Illustrated notes for each topic in this unit, with worked examples and a checklist of objectives.
- Carbohydrate structure and function
Monosaccharides including alpha and beta glucose, ribose and deoxyribose. The glycosidic bond formed by condensation, and the disaccharides maltose…
- Lipids: triglycerides, phospholipids and ester bonds
Glycerol and fatty acids, and the ester bond made by condensation. Saturated against unsaturated fatty acids and what a double bond does to packing.
- Water and inorganic ions
Why a water molecule is polar and how hydrogen bonds form between molecules. The properties that follow: solvent, high specific heat capacity, high…
- Protein structure and function
The general structure of an amino acid, the peptide bond made by condensation, the four levels of protein structure and the bonds that hold each one…
Questions
67 original questions across 4 topics, every one with a point-by-point mark scheme.
Practical work
The practical capabilities this unit's work belongs to, each with its techniques, its calculations and the errors that cost marks.