Question 1 The function is the plasma membrane. The microtubules. The primary function of the cell membrane is to regulate what substances enter and leave the cell. To monitor the amount of glucose needed by the cell: After washing your hands, insert a test strip into your meter. Use your lancing device on the side of your fingertip to get a drop of blood. Touch and hold the edge of the test strip to the drop of blood and wait for the result. Your blood glucose level will appear on the meter's display. Cell membrane
Question 2 True
Question 3 Only water molecules move during osmosis; oxygen and waste move during diffusion