Biology WBI11/01 January 2023

Edexcel IAS/IAL Biology (WBI) Jan 2023

معلم موافق رایگان بودن است.

1. Water molecule dipole nature, diagram required, H2O bond characteristics, polarity explanation

2. Carbohydrates, monosaccharides polysaccharides glycosidic bonds, general formula, water potential effects

3. Collagen structure, peptide bonds, triple helix, fibrous protein properties, elasticity

4. Protease enzyme elastin breakdown, rate of reaction, tangent method, enzyme action explanation

5. Cystic fibrosis, drug combination effects, FEV1 measurement, treatment comparison, conclusion evaluation

6. Heart anatomy, blood vessels, valve function, coronary artery, cardiac cycle phases, blood flow