Transport of molecules within a cell and out of the cell requires a complex endomembrane system. Endocytosis occurs when the cell membrane engulfs particles (dark blue) outside the cell ...

This takes place when molecules diffuse across the cell membrane by travelling through specific transport proteins. It occurs down a concentration gradient - molecules move from an area of high to ...

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.

The net movement of water from a region of high water concentration to a region of low water concentration through a selectively permeable membrane. This means osmosis is a special case of ...

For the study, the researchers aimed to functionalize the cell membrane to enable protein transport across the membrane and assemble them into tissue-like structures afterward. Biological channels ...

It is essential for bioenergetics (ATP, GTP), metabolic regulation through glycolysis and oxidative phosphorylation, intercellular signaling pathways, cell proliferation (as part of DNA and ... The ...

Scientists have revealed the secret to the structural integrity of tiny particles that transport cargo from cell to cell through ... through the protective outer membrane, a necessary step to ...

Scientists have succeeded in controlling the structure and function of biological membranes with the help of 'DNA origami'. The system they developed may facilitate the transportation of large ...

The shape and morphology of a cell play a key role in the biological function. This corresponds to the principle of "form ...

Lipid bilayer forms a water-impermeable barrier that defines the boundary of a cell and of specialized compartments ... such as mediating signal transduction across the membrane and facilitating ...

Scientists develop DNA nanorobots capable of modifying artificial cells. Scientists at the University of Stuttgart have ...