ZIMSEC A-Level Biology
8.1.5Movement of substances into and out of cells
Movement of substances into and out of cells in ZIMSEC A-Level Biology: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic62 practice questions3 lessons
Learning objectives
What the syllabus expects you to be able to do.
- 8.1.5.1Describe and explain the structure of the cell surface membrane (fluid mosaic model with phospholipids, cholesterol, glycolipids, proteins and glycoproteins).
- 8.1.5.2Relate membrane structure to the movement of substances by diffusion, facilitated diffusion, osmosis, active uptake, endocytosis and exocytosis.
- 8.1.5.3Design and carry out experiments on osmosis, including serial dilutions.
Lessons
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Active transport, endocytosis and exocytosis
30 min
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Diffusion, facilitated diffusion and osmosis
35 min
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The fluid mosaic model and cell signalling
30 min
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Sample question
A sample question on this topic. Answer it, check it, then read the worked answer.
Turn Movement of substances into and out of cells into a strength.
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