Cell membranes protect and organize cells. All cells have an outer plasma membrane that regulates not only what enters the cell, but also how much of any given substance comes in. Unlike ...

A plasma membrane is permeable to specific molecules that a cell needs. Transport proteins in the cell membrane allow for selective passage of specific molecules from the external environment.

New research details the subcellular structures in neurons that enable signals to be transmitted from where they are received at specific sites on dendrites to the decision-making cell body located ...

7 Figure 2: The key structures present in a prokaryote cell. Credit: Technology Networks ... Eukaryotes are organisms whose cells have a nucleus and other organelles enclosed by a plasma membrane ...

These repair mechanisms are not limited to endothelial cells but are relevant to a wide range of cell types and have potential significant clinical implications. "Impaired plasma membrane repair ...