Each of the following is a characteristic of acids except D. Solid.
Answer:
When iron turns to rust, the chemical identity of the iron changes. When you break ice, the ice is still ice
A...because both of them(carbon and oxygen)are nonmetal
The correct answer is: THEY ARE SOLD AS CASH CROPS.
Channel proteins
Channel proteins are macromolecules that are embedded in plasma membranes of cells. Their function is to provide a pathway for molecules into and out of the cell, as the remaining parts of the membrane are impermeable. An example of such protein channels are those that are present to facilitate the diffusion of glucose.
