Which One of the Following Played a Critical Role in the Successful
Which one of the following played a critical role in the successful colonisation of land by plants?
A) ground tissue
B) bacterial association
D) cuticle on leaf surface
Which structure or compartment is separate from the apoplastic route?
A) the lumen of a xylem vessel
B) the lumen of a sieve tube
C) the cell wall of a mesophyll cell
D) the cell wall of a root hair
The apoplast in plant tissues consists of ________.
A) cell walls, extracellular spaces, and plasmodesmata
B) cell walls, extracellular spaces, and vessel elements
C) vessel elements, plasmodesmata, and extracellular spaces
D) cell walls, plasma membrane, and cytosol
Active transport of amino acids in plants at the cellular level requires ________.
A) NADP and channel proteins
B) xylem membranes and channel proteins
C) sodium/potassium pumps and xylem membranes
D) ATP, transport proteins, and a proton gradient