Question 1:
Question 2: The diagram below represents the arrangement of a type of molecule found in the
plasma membrane of a cell.
Question 3: Endocytosis is a type of
(a) active transport of material out of a cell.
(b) active transport of material into a cell.
(c) passive transport of material out of a cell.
(d) passive transport of material into a cell.
Question 4: In the cell membrane, facilitated diffusion transports
(a) oxygen across the phospholipid bilayer.
(b) glucose across the phospholipid bilayer.
(c) oxygen through protein channels.
(d) glucose through protein channels.
Question 5: A major difference between facilitated and simple diffusion is that
(a) facilitated diffusion uses energy, whereas simple diffusion does not.
(b) simple diffusion uses energy, whereas facilitated diffusion does not.
(c) facilitated diffusion is more rapid than simple diffusion.
(d) simple diffusion is more rapid than facilitated diffusion.