What does a plant cell have as its innermost boundary?

The diagram given below represents a fluid mosaic model of the plasma membrane. Match the components marked as $A, B, C, D$ and $E$ in the diagram below from the list $(i)$ to $(vii)$.
$(i)$ Sugar $(ii)$ Protein $(iii)$ Lipid bilayer $(iv)$ Integral protein $(v)$ Cytoplasm $(vi)$ Cell wall $(vii)$ External protein

In the fluid mosaic model of the plasma membrane:

Active transport across a biomembrane involves

The sodium-potassium pump is:

The plasma membrane is composed of: