IB Biology: B2.2 Organelles and compartmentalisation (first exams in 2025)

This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here

This PowerPoint contains everything you need to teach the B2.2 Organelles and compartmentalisation in the new IB Biology specification.

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This Powerpoint consists of 49 slides and contains the followings:

All the information ( HL) the IB have included in the new spec.
Exam tips
Clear diagrams
Videos
Student research tasks
Clearly identified HL and SL content
Student checklist
Summary

The following content is included:

B2.2.1:State, with examples, that organelles are structures that are separate subunit of cells and perform a specific function.
B2.2.2:Explain the advantages, using phagocytic vacuoles and lysosomes as examples, of the compartmentalisation of cytoplasm.
B2.2.3: Explain the advantage of the separation of the nucleus and the cytoplasm in regard to protein synthesis.
B2.2.4: Explain, using an annotated diagram, how the structure of the mitochondrion aids in the production of ATP.
B2.2.5: Explain, using an annotated diagram, how the structure of the chloroplast aids in photosynthesis.
B2.2.6: Describe the functional advantages of the double membrane around the nucleus in protein synthesis and cell division.
B2.2.7: Describe the different roles of bound and free ribosomes.
B2.2.8: Outline the function of the Golgi apparatus in the processing and transport of proteins.
B2.2.9: Describe the role of vesicles in cells and the role of clathrin in the formation of vesicles.