Scientists who model membrane structure and dynamics describe the membrane as a fluid mosaic in which transmembrane proteins can move laterally in the lipid bilayer.
The membrane is composed of lipids, proteins and carbohydrates. In this article, we shall consider the main functions of the cell membrane, its composition and clinical conditions affecting it.
The cell membrane is a semi-permeable membrane that surrounds the cytoplasm of the cell. This means its function is to protect the integrity of the interior cell by allowing certain substances into the cell while keeping the others out.
Mitochondria are cell organelles surrounded by a double membrane. In addition to numerous essential functions in the metabolism of the cell, they also play a key role in the integration of signals ...
Cells are enveloped by a lipid membrane that gives them structure and provides a barrier between the cell and its environment. However, evidence has recently emerged suggesting that these membranes do ...
Researchers have identified a new function of a well-known enzyme: the signal peptidase complex is responsible for the quality control of membrane proteins. The discovery of this new function for a ...
Physical cleaning techniques for membrane include membrane relaxation and membrane backwashing. Back-washing or back-flushing consists of pumping the permeate in the reverse direction through the membrane.
Embedded in the lipid bilayer are large proteins, many of which transport ions and water-soluble molecules across the membrane. Some proteins in the plasma membrane form open pores, called membrane channels, which allow the free diffusion of ions into and out of the cell.