2.3 Carbohydrates and Lipids
Essential Idea:
Compounds of carbon, hydrogen and oxygen are used to supply and store energy
Compounds of carbon, hydrogen and oxygen are used to supply and store energy
Understandings:
2.3.U1: Monosaccharide monomers are linked together by condensation reactions to form disaccharides and polysaccharide polymers
2.3.U2: Fatty acids can be saturated, monounsaturated or polyunsaturated
2.3.U3: Unsaturated fatty acids can be cis or trans isomers
2.3.U4: Triglycerides are formed by condensation from three fatty acids and one glycerol
Applications:
2.3.A1: Structure and function of cellulose and starch in plants and glycogen in humans
2.3.A2: Scientific evidence for health risks of trans fats and saturated fatty acids
2.3.A3: Lipids are more suitable for long-term energy storage in humans than carbohydrates
2.3.A4: Evaluation of evidence and the methods used to obtain the evidence for health claims made about lipids
Skills:
2.3.S1: Use of molecular visualisation software to compare cellulose, starch and glycogen
2.3.S2: Determination of body mass index by calculation or use of a nomogram
2.3.U1: Monosaccharide monomers are linked together by condensation reactions to form disaccharides and polysaccharide polymers
2.3.U2: Fatty acids can be saturated, monounsaturated or polyunsaturated
2.3.U3: Unsaturated fatty acids can be cis or trans isomers
2.3.U4: Triglycerides are formed by condensation from three fatty acids and one glycerol
Applications:
2.3.A1: Structure and function of cellulose and starch in plants and glycogen in humans
2.3.A2: Scientific evidence for health risks of trans fats and saturated fatty acids
2.3.A3: Lipids are more suitable for long-term energy storage in humans than carbohydrates
2.3.A4: Evaluation of evidence and the methods used to obtain the evidence for health claims made about lipids
Skills:
2.3.S1: Use of molecular visualisation software to compare cellulose, starch and glycogen
2.3.S2: Determination of body mass index by calculation or use of a nomogram