amino acids and fatty acids could canal and into the epithelial co-transport mechanisms for the • be described in turn. Students can cell absorption of amino acids and of create a mind map to bring the Explain how products of monosaccharides ideas of digestion and absorption digestion leave the epithelial together. Practice questions at the cell. the role of micelles in the • end of the chapter can be used for absorption of lipids. students to apply their understanding. Student Book Required One hour lessons Learning Outcomes Specification Content Skills Covered Section Practicals CHAPTER 9 - Mass Transport (10 hours) 1 Oxygen transport in mammals Define the mass 3.3.4.1 Mass transport in animals 9.1 transport and mass flow 9.2 Clarification of key terminology is Describe the structure and The haemoglobins are a group of required including the terms function of haemoglobin chemically similar molecules found affinity, association, dissociation, Interpret the oxygen in many different organisms. saturation and partial pressure. dissociation curve Haemoglobin is a protein with a Students can recall the structure of Explain the effect of carbon quaternary structure. haemoglobin from chapter 2. The dioxide on the transport of oxygen dissociation curve should oxygen The role of haemoglobin and red be drawn and annotated for Explain, using examples, why cells in the transport of human haemoglobin, to show the haemoglobin comes in many oxygen. The loading, transport and Bohr effect, for fetal haemoglobin different forms unloading of oxygen in relation to and for at least one other animal the oxyhaemoglobin dissociation such as the Llama or Tubifex curve. The cooperative nature of worm. Application of knowledge oxygen binding to show that the should be tested through exam change in shape of haemoglobin style questions. caused by binding of the first oxygen makes the binding of further oxygen easier. The effects of carbon dioxide concentration on the dissociation of oxyhaemoglobin (the Bohr effect).
amino acids and fatty acids could be described in turn. Students can create a mind map to bring the ideas of digestion and absorption together. Practice questions at the end of the chapter can be used for students to apply their understanding. canal and into the epithelial cell Explain how products of digestion leave the epithelial cell. • co-transport mechanisms for the absorption of amino acids and of monosaccharides • the role of micelles in the absorption of lipids. One hour lessons Learning Outcomes Specification Content Skills Covered Student Book Section Required Practicals CHAPTER 9 - Mass Transport (10 hours) 1 Oxygen transport in mammals Clarification of key terminology is required including the terms affinity, association, dissociation, saturation and partial pressure. Students can recall the structure of haemoglobin from chapter 2. The oxygen dissociation curve should be drawn and annotated for human haemoglobin, to show the Bohr effect, for fetal haemoglobin and for at least one other animal such as the Llama or Tubifex worm. Application of knowledge should be tested through exam style questions. Define the mass transport and mass flow Describe the structure and function of haemoglobin Interpret the oxygen dissociation curve Explain the effect of carbon dioxide on the transport of oxygen Explain, using examples, why haemoglobin comes in many different forms 3.3.4.1 Mass transport in animals The haemoglobins are a group of chemically similar molecules found in many different organisms. Haemoglobin is a protein with a quaternary structure. The role of haemoglobin and red cells in the transport of oxygen. The loading, transport and unloading of oxygen in relation to the oxyhaemoglobin dissociation curve. The cooperative nature of oxygen binding to show that the change in shape of haemoglobin caused by binding of the first oxygen makes the binding of further oxygen easier. The effects of carbon dioxide concentration on the dissociation of oxyhaemoglobin (the Bohr effect). 9.1 9.2
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