What are electrolytes? list the principle electrolytes and their functions

Which element is found in both dna and proteins

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.

True or false 5. carrier proteins have the ability to to change shape and physicially move molecules across the cell membrane. 6. in a facilitated diffusion, the concentration of the molecules to be moved across the cell membrane is higher inside the the cell.