Lipids are unevenly distributed within eukaryotic cells, thus defining organelle identity. How non-vesicular transport mechanisms generate these lipid gradients between membranes remains a central ...

Journal of Experimental Botany, Vol. 2, No. 5 (1951), pp. 212-222 (11 pages) 1. As part of a general investigation into the exchange of gases between the bogbean, Menyanthes trifoliata, and its ...

Diffusion is the movement of particles from a region where they are in high concentration to a region where they are in low concentration, and is one of the ways substances can move across the cell ...