Chloride, bicarbonate, phosphate, and sulfate are examples of what type of charged particles?
1) Cations, because they carry a positive charge
2) Cations, because they carry a negative charge
3) Anions, because they carry a positive charge
4) Anions, because they carry a negative charge
Question 2
The passive process by which molecules of a solute move through a cell membrane from an area of higher concentration to an area of lower concentration is called which of the following?
1) Osmosis
2) Filtration
3) Hydrostatic pressure
4) Diffusion