Several ways that molecules can travel into and out of cells are given. 1 Molecules move from a region of higher concentration to a region of lower concentration. 2 Molecules move from a region of lower concentration to a region of higher concentration. 3 Molecules move from a region of higher concentration to a region of lower concentration through a partially permeable membrane. Which statement is the correct one?
- A1 describes osmosis and 3 describes active transport.
- B2 describes osmosis and 3 describes diffusion.
- C1 describes active transport and 2 describes osmosis.
- D2 describes active transport and 3 describes osmosis.