Which type of vascular tissue cell in a plant is dead at maturity?

Question

Quizplus · Accepted Answer

Vessel elements in plants are cells that are dead at maturity. They are long, cylindrical cells with perforated end walls, which allow water and dissolved nutrients to move freely throughout the plant. These cells have thick cell walls, which provide structural support to the plant. The other options, namely, companion cells, sieve-tube cells, and parenchyma cells are all living at maturity.

Which Type of Vascular Tissue Cell in a Plant Is