Bio-report
Beginning of paper
Osmosis is the diffusion of water molecules across a differentially permeable membrane from a region where water molecules are more concentrated to one where they are less concentrated. The transport of water is simple the cell being selectively permeable will allow water through it until an equil ....
Middle of paper
.... materials and to receive needed ones. For example a muscle cell wants potassium and wants to get rid of a sodium, the cell releases ATP to the pump proteins which results in the cell ejecting the sodium ion and at the same time another receptor cell accepts a potassium which is then released into the cell and the process is repeated until the cell is finished.
c.Facilitated Transport
In facilitated transport a molecule that cannot normally pass through into a cell use a carrier prot ....
------------------
Word count: 541
Page count: 2 (approximately 250 words per page)