question image cell i cell ii q. what is arrow \f\ pointing to?

$question image cell i cell ii q. what is arrow \f\ pointing to?$

question image
cell i
cell ii
q. what is arrow \f\ pointing to?

Brief Explanations

Cell II is a plant cell. In plant cells, the outermost rigid layer is the cell wall. It provides structural support and protection to the plant cell.

Cell wall