Which structure or compartment is not part of the plant's apoplast?
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 transfer cell
E) the cell wall of a root hair

Question

Quizplus · Accepted Answer

The apoplast refers to the extracellular space outside of the plasma membrane, including cell walls and intercellular spaces. The lumen of a sieve tube is part of the symplast, which refers to the interconnected cytoplasmic continuum between cells via plasmodesmata.

Which Structure or Compartment Is Not Part of the Plant's