Learn about the ultrastructure and organelles of animal, plant, fungal and bacterial cells. BBC Bitesize Scotland revision for SQA National 5 Biology.

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Some prokaryotes, such as planctomycetes, exhibit phagocytosis-like behaviors, challenging the assumption that cellular engulfment was unique to early eukaryotes.3 This discovery implies that ...

To use a light microscope to examine animal or plant cells. To make observations and draw scale diagrams of cells. Turn the coarse focus so that the stage is as close to the objective lens as ...

Nucleolus Chromosomes The cell nucleus is the site of many important biological functions of the eukaryotic cell. These processes include transcription, replication, splicing and ribosome biogenesis.

Yale researchers and their colleagues in Hungary have discovered that cells in the hypothalamus — an area of the brain that controls functions like hunger and body temperature — play a major role in ...

Despite their everyday functions, white blood cells only make up 1% of your overall blood, and are far outnumbered by red blood cells.

Together, these studies reinforce the concept that the structure–function relationship in animals is not only central to performance but also crucial for effective clinical interventions.