Which of the following statements is a function of the cell wall in a plant? 1 The cell wall is made up of keratin. It controls the movement of fluids in and out of the cell.
2 The cell wall is made up of keratin. It supports the cell, allowing it to maintain a rigid shape.
3 The cell wall is made up of cellulose. It supports the cell, allowing it to maintain a rigid shape.
4 The cell wall is made up of cellulose. It controls the movement of fluids in and out of the cell.