C1

Cell membranes: understanding complex biological processes

Cell biology – a C1 English lesson. Practise using relative clauses and expand vocabulary around scientific explanations.

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Contents

Summary

This 90-minute ESL lesson for C1 learners explores Cell membranes: understanding complex biological processes through a real video. Across 9 interactive exercises, you'll develop listening comprehension, vocabulary, speaking skills — all built around authentic English content.

What you'll practise:

  • 5 key vocabulary items with definitions and usage notes
  • Gap-fill and cloze exercises to test vocabulary in context
  • Matching exercise to connect terms with their meanings

Lesson activities (9 exercises)

Each exercise builds on the previous one. Work through them in order for the best learning experience.

  1. Warm-up — Discussion questions to activate what you already know about the topic.
  2. Watch — Watch the video and note the main arguments and examples.
  3. Comprehension — Answer questions to check your understanding of the main ideas and supporting details.
  4. Vocabulary — Learn key words and expressions from the video, with definitions and usage notes.
  5. True / False — Test your detailed understanding — decide if each statement matches the source.
  6. Fill the gaps — Complete sentences with the correct vocabulary. Drag and drop or type your answers.
  7. Multiple choice — Choose the correct answer from four options — testing comprehension and language use.
  8. Matching — Connect words, phrases, or concepts to their correct counterparts.
  9. Discussion — Reflect on the topic and share your opinions using the language you've learned.

Vocabulary

This lesson introduces 5 key terms drawn directly from the video:

  • A delicate balance — a situation requiring careful control because it can be easily disturbed.
  • To set in motion — to start a process or a series of events.
  • Integral to (something) — being an essential or fundamental part of something.
  • A cascade of events — a series of events in which each one causes or influences the next, often happening quickly.
  • To give rise to — to be the cause or origin of something.

Grammar

This lesson includes a grammar focus with clear explanations and practice exercises.