Which one of the following is not present in the plasma membrane?

Which of the following is an incorrect statement regarding the lipids present in the cell membrane?

In the cell membrane,carbohydrates are attached to $...........$.

How do neutral solutes move across the plasma membrane? Can the polar molecules also move across it in the same way? If not,then how are these transported across the membrane?

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

What is the 'pump' in the $Na^{+}-K^{+}$ pump?