A picture of a biological membrane that includes compositional and phase heterogeneity is consistent with many observations on cells. Simons and van Meer pointed this out to explain the sorting of ...

Cell structure Description Function Cell type Cell wall Freely permeable layer surrounding cell membrane. The cell wall of plant cells is made from cellulose. This gives them a rigid structure.

Researchers have proposed using polymer membranes modified with copper, zinc, and chromium metal ions for water purification. These polymers were used for the first time in water purification via ...