Which descriptions identify the tonoplast in a plant cell? Select all that apply.
The membrane enclosing the central vacuole✓Bonne réponse
The cellulose layer outside the whole cell
The boundary separating cell sap from cytoplasm✓Bonne réponse
The membrane immediately inside the cell wall
Explication
The membrane around the vacuole and the boundary between cell sap and surrounding cytoplasm both identify the tonoplast. The outer surface membrane is a separate structure at the cell edge and does not enclose the vacuole.