試題詳解

57. Which of the following statements about transport in vascular plants is TRUE?
(A) The apoplast consists of everything internal to the plasma membranes of living cells.
(B) The symplastic route for water and solutes is from outside cells through cell walls and extracellular spaces.
(C) When K⁺ leaves the guard cells, stomata becomes open.
(D) Na⁺ is typically cotransported rather than H+ for transport of sucrose in plant cells.
(E) The movement of fluid in phloem is multidirectional in plants.