1) Magnesium ions, which are in higher concentrations outside the cell, enter the cell (draw a picture) a) primary active transport b) secondary active transport c) simple diffusion d) facilitated diffusion e) osmosis 2) Glucose, which is in higher concentration outside the cell, enters the cell (draw a picture). a) primary active transport b) secondary active transport c) simple diffusion d) facilitated diffusion e) osmosis 3) Amino acids, which are in higher concentration outside the cell, enters the cell (draw a picture). a) primary active transport b) secondary active transport c) simple diffusion d) facilitated diffusion e) osmosis 4) Nitrous oxide, a small nonpolar signaling molecule, which is in higher concentration outside the cell, enters the cell (draw a picture). a) primary active transport b) secondary active transport c) simple diffusion d) facilitated diffusion e) osmosis 5) Oxygen gas enters the cell from the bloodstream. a) primary active transport b) secondary active transport c) simple diffusion d) facilitated diffusion e) osmosis 6) Glucose, which is in higher concentration inside the cell, enters the cell (draw a picture). a) primary active transport b) secondary active transport c) simple diffusion d) facilitated diffusion e) osmosis 7) Energy from ion gradients, set up by the sodium-potassium pump, is used to transport amino acids into a cell. a) primary active transport b) secondary active transport c) simple diffusion d) facilitated diffusion e) osmosis 8) A cell is put into a hypotonic solution. a) primary active transport b) secondary active transport c) simple diffusion d) facilitated diffusion e) osmosis 9) Sodium ions are transported out of the cell, against their concentration gradient. a) primary active transport b) secondary active transport c) simple diffusion d) facilitated diffusion e) osmosis 10) ATP is used to establish an ion gradient. a) primary active transport b) secondary active transport c) simple diffusion d) facilitated diffusion e) osmosis 11) Water moves through tiny pores in a cell membrane. a) primary active transport b) secondary active transport c) simple diffusion d) facilitated diffusion e) osmosis

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