IB Biology SL 2.2.11 Drawing and Annotation

Practise IB Biology SL 2.2.11 by drawing and annotating prokaryotic cells, plant cells and nuclei from electron-micrograph evidence.

Exam points

Draw and label prokaryotic or plant-cell ultrastructure with membranes, walls and visible organelles.
Annotate a nucleus with its envelope, pores, nucleolus and chromatin when interpreting the micrograph.
Use clear biological drawing conventions and avoid adding structures not supported by the micrograph.

[Maximum number: 3]

The image shows epidermis tissue from a bulb of the onion plant (Allium cepa) viewed using a light microscope.

Draw a labelled diagram of a nucleus from a eukaryotic cell, such as an onion epidermis cell, as seen using an electron microscope.

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