Cell membranes contain many contradictions; for example, they are both oily and strong. The video explains the parts of a cell membrane, the function of each part, and discusses the contradictions. It highlights what happens when everything works well and what happens when infected by toxins.

Concepts

phospholipids, cell membranes, endocytosis, permeability, semipermeable membranes

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Additional Tags

science

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Instructional Ideas

• Add the diagram of a cell membrane found at 1:08 to student science journals
• Discuss selective permeability in more detail

Classroom Considerations

• Requires a free TED-Ed account

Pros

• Provides hints from the video if individuals answer the question incorrectly
• Includes eight analysis questions after the video
• Extensions include discussion topics, articles, and videos

Cons

• None

Common Core

SL.9-10.2 SL.11-12.2 RST.9-10.4 RST.11-12.4