IB Biology SL B2.2.1 Organelles As Discrete Subunits Questions

Identify organelles in eukaryotic cells from electron-micrograph features, functions and membrane boundaries in IB Biology SL B2.2.1.

Exam points

Identify organelles such as the nucleus, mitochondrion, chloroplast, lysosome, Golgi apparatus, vesicles and ribosomes in animal or plant cells.
Use electron-micrograph structure, scale and surrounding context to identify a named organelle and its visible diagnostic features.
Distinguish membrane-bound organelles and the plasma membrane from cytoplasm, cell wall and cytoskeleton as non-organelle cell structures.

[Maximum number: 1]

The following electron micrograph has a magnification of $\times 44000$ .

State the name of the main organelle in the electron micrograph.

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