08 September 2014

#23.1 Cell membranes and transport - Syllabus 2015

• Fluid mosaic model of membrane structure
• Movement of substances into and out of cells

Learning Outcomes

Candidates should be able to:

(a) describe and explain the fluid mosaic model of membrane structure, including an outline of the roles of phospholipids, cholesterol, glycolipids, proteins and glycoproteins;

(b) outline the roles of cell surface membranes;

(c) describe and explain the processes of diffusion, facilitated diffusion, osmosis, active transport,
endocytosis and exocytosis (terminology described in the IOB’s publication Biological Nomenclature
should be used; see also section 5; no calculations involving water potential will be set);

(d) [PA] investigate the effects on plant cells and the effect on animal cells of immersion in solutions of different concentrations of solutions (with different water potentials);

(e) use the knowledge gained in this section in new situations or to solve related problems.

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