During animal development, cells divide and arrange themselves in a coordinated way, eventually forming the embryo. The cells ...

Animal cells are specialised for the function they perform. Find out more with Bitesize. ... An animal cell is made of three main parts a nucleus, cell membrane and cytoplasm, ...

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

Chloroplasts, the parts of cells that allow plants and algae to photosynthesize, are thought to have originated more than 1 billion years ago, when photosynthetic cyanobacteria lived symbiotically ...

Animals, from worms and sponges to jellyfish and whales, contain anywhere from a few thousand to tens of trillions of nearly ...

The lead investigator for a National Science Foundation-funded grant is on a hunt, seeking to unlock clues dating back millions of years to better understand the function of animal cells.