The film explores the evolution of multi-celled animals, particularly sponges, from single-celled organisms like amoebas. It explains that the transition to multi-cellularity was driven by the ...

GCSE WJEC Cells and movement across membranes – WJEC Diffusion All living things are made of cells which are differentiated to perform different functions. Substances move into or out of the ...

(Left) Collagen and lamin-A levels scale with cell stiffness, consistent with matching tissue stress to nuclear mechanics. (Right) Matrix stiffness in tissue culture increases cell tension and ...

Letter Published: 07 December 1946 A New Type of Diffusion Cell STIG CLAESSON Nature 158, 834–835 (1946) Cite this article ...