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.
Cell membrane. A cell membrane, plasma membrane or plasmalemma is a selectively permeable lipid bilayer coated by proteins which comprises the outer layer of a cell. The plasma membrane works between the machinery on the inside of the cell and the outside fluid that bathes the cells. The plasma membrane lets nutrients into the cell such as glucose, amino acids, and lipids.