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Learning objective

Describe prokaryotic cell structure.

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Topic

Cells official content

Subtopic

Structure of prokaryotic cells and viruses

Aqa A Level BiologyCells

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Quick explanation

Describe prokaryotic cell structure

  • This point belongs to Cells official content, especially Structure of prokaryotic cells and viruses.
  • You need to be able to describe prokaryotic cell structure.
  • The key ideas to know are prokaryotic cell.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

prokaryotic cell

Why it matters

This objective helps connect Structure of prokaryotic cells and viruses to exam-style questions, flashcards, and revision notes for Cells official content.

Quick student answer

Which of the following structures is NOT found in prokaryotic cells?

Direct answer

The nucleus is not found in prokaryotic cells; they lack membrane-bound organelles.

Key terms

  • Capsule: A protective layer surrounding some prokaryotic cells, aiding in evasion of the immune response and desiccation.
  • Peptidoglycan: A polymer that forms the structural component of the bacterial cell wall, providing rigidity and shape.

Common trap

Confusing prokaryotic and eukaryotic structures: Remember that prokaryotic cells lack a nucleus and membrane-bound organelles; they have a simpler structure.

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