explain the adaptation of specialised cells in relation to the rate of transport across their internal and external membranes. Recall the factors affecting 4 The function of cell membranes 3.2.3 Transport across cell 6.2 the rate of transport across membranes Students should be able to list the cell membranes factors affecting the rate of Students should be able to: transport prior to learning about them in detail. It may help them to explain how surface area, number of channel or carrier watch some animations. A poster proteins and differences in of the cell membrane can be gradients of concentration or created to draw together all the water potential affect the rate concepts together on the cell of movement across cell membrane. membranes. 5 Movement across the cell Define and describe the passive 3.2.3 Transport across cell MS 1.2 Find arithmetic 6.2 membrane: diffusion method of diffusion across the membranes cell membrane MS 1.3 Construct and Diffusion can be demonstrated Movement across membranes interpret frequency tables using tea bags or spraying Explain the factors that can occurs by: and diagrams, bar charts perfume. Students define diffusion affect the rate of transport and histograms and give examples of molecules across the cell membrane simple diffusion (involving that would move across the cell limitations imposed by the MS 2.3 Substitute membrane this way. Factors Illustrate graphically nature of the phospholipid numerical values into affecting the rate of movement movement across a cell bilayer) algebraic equations should be identified; this is an membrane by diffusion appropriate units for opportunity for students to physical quantities practice calculating surface area. Students could draw and explain MS 3.1 Translate graphs showing diffusion with information between concentration of substance on the graphical, numerical and x-axis and rate of diffusion on the algebraic y-axis. MS 4.1 Calculate the circumferences, surface and volumes of regular shapes
explain the adaptation of specialised cells in relation to the rate of transport across their internal and external membranes. 4 The function of cell membranes Students should be able to list the factors affecting the rate of transport prior to learning about them in detail. It may help them to watch some animations. A poster of the cell membrane can be created to draw together all the concepts together on the cell membrane. Recall the factors affecting the rate of transport across cell membranes 3.2.3 Transport across cell membranes Students should be able to: explain how surface area, number of channel or carrier proteins and differences in gradients of concentration or water potential affect the rate of movement across cell membranes. 6.2 5 Movement across the cell membrane: diffusion Diffusion can be demonstrated using tea bags or spraying perfume. Students define diffusion and give examples of molecules that would move across the cell membrane this way. Factors affecting the rate of movement should be identified; this is an opportunity for students to practice calculating surface area. Students could draw and explain graphs showing diffusion with concentration of substance on the x-axis and rate of diffusion on the y-axis. Define and describe the passive method of diffusion across the cell membrane Explain the factors that can affect the rate of transport across the cell membrane Illustrate graphically movement across a cell membrane by diffusion 3.2.3 Transport across cell membranes Movement across membranes occurs by: simple diffusion (involving limitations imposed by the nature of the phospholipid bilayer) MS 1.2 Find arithmetic MS 1.3 Construct and interpret frequency tables and diagrams, bar charts and histograms MS 2.3 Substitute numerical values into algebraic equations appropriate units for physical quantities MS 3.1 Translate information between graphical, numerical and algebraic MS 4.1 Calculate the circumferences, surface and volumes of regular shapes 6.2
Biology%20SoW%20Year%201.docx