In Gram-positive bacteria, there is only one major layer in the cell wall.
In Gram-positive bacteria, there is only one major layer in the cell wall not two.
In Gram-positive bacteria, there is only one major layer in the cell wall not three.
In Gram-positive bacteria, there is only one major layer in the cell wall not four.
In Gram-positive bacteria, there is only one major layer in the cell wall while gram negative bacteria has two major layers in cell wall.