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IB Biology SL A2.2.5 Prokaryote Cell Structure Questions

Explain that prokaryotes lack a nucleus and membrane-bound organelles. Identify the cell wall, plasma membrane, cytoplasm, 70S ribosomes, naked circular DNA and plasmids, and recognise E. coli, Bacillus and Staphylococcus as bacterial examples.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Explain that prokaryotes lack a nucleus and membrane-bound organelles.
  • Identify the cell wall, plasma membrane, cytoplasm, 70S ribosomes, naked circular DNA and plasmids in prokaryotic cells.
  • Recognise E. coli, Bacillus and Staphylococcus as bacterial examples.

IB Biology SL A2.2.5 Prokaryote Cell Structure Questions question 1

[Maximum number: 3]

Tuberculosis (TB) is an infectious disease caused by the bacterium Mycobacterium tuberculosis.

Outline the structures in M. tuberculosis that are not present in a human cell.

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