pptx, 8.1 MB
pptx, 8.1 MB
pdf, 129.19 KB
pdf, 129.19 KB

IAL Edexcel Biology - Year 12

1.5 - (i) Know how a triglyceride is synthesised by the formation of ester bonds during condensation reactions between glycerol and three fatty acids
1.5 - (ii) Know the differences between saturated and unsaturated lipids

Presentation on lipids and ester bonds. Example practice exam questions (PEQ) with mark scheme included.

**Any and all feedback is very much appreciated. **

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1.1 to 1.5, 2.6 - Biological Molecules - Unit 1 (IAL Biology - Edexcel)

IAL Edexcel Biology - Year 12 All lesson for **biological molecules for unit 1** for IAL Biology (Edexcel). 1.1 understand the importance of water as a solvent in transport, including its dipole nature 1.2 (i) know the difference between monosaccharides, disaccharides and polysaccharides, including glycogen and starch (amylose and amylopectin) (ii) be able to relate the structures of monosaccharides, disaccharides and polysaccharides to their roles in providing and storing energy β-glucose and cellulose are not required in this topic. 1.3 CORE PRACTICAL 1 Use a semi-quantitative method with Benedict’s reagent to estimate the concentrations of reducing sugars and with iodine solution to estimate the concentrations of starch, using colour standards. 1.4 know how monosaccharides (glucose, fructose and galactose) join together to form disaccharides (maltose, sucrose and lactose) and polysaccharides (glycogen, amylose and amylopectin) through condensation reactions forming glycosidic bonds, and how these can be split through hydrolysis reactions 1.5 (i) know how a triglyceride is synthesised by the formation of ester bonds during condensation reactions between glycerol and three fatty acids (ii) know the differences between saturated and unsaturated lipids 2.6 (i) know the basic structure of an amino acid Structures of specific amino acids are not required. (ii) understand the formation of polypeptides and proteins (amino acid monomers linked by condensation reactions to form peptide bonds) (iii) understand the significance of a protein’s primary structure in determining its secondary structure, three-dimensional structure and properties (globular and fibrous proteins and the types of bonds involved in its three-dimensional structure) (iv) know the molecular structure of a globular protein and a fibrous protein and understand how their structures relate to their functions (including haemoglobin and collagen) Presentations for each lesson inlcuded. PEQ included in presentations with mark schemes included. **Any and all feedback much appreciated**

£17.50

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