Others hypothesize that the overall ratio of calcium to phosphorous intake has a bigger impact on bone health than phosphorous intake on its own. Another plausible explanation for the link between high soda intake and low bone mass is that soft drinks often elbow out calcium-rich milk as individualsâ drink of choice.
To clarify, all cells have a plasma membrane. The function of the cell membrane is to protect the cell and control the transport from the inside to the outside of the cell. It contains transport signaling systems such as protein channels through which substances such as salts pass.
The Cell's Membranes. Fluid Mosaic Model. The plasma membrane is essential for maintaining the cell's integrity and plays a critical role in homeostasis. The plasma membrane functions both as gateway and barrier -- regulating the exchange of material between biotic and abiotic worlds.