Question

which structure of the cell controls what goes in and comes out of the cell? which structure is a strong layer around plant cells?

Explanation:

The cell - wall is a strong layer around plant cells providing structural support and protection. The cell - membrane controls what goes in and comes out of the cell, acting as a selective barrier.

Answer:

The strong layer around plant cells is the cell - wall. The structure that controls what goes in and comes out of the cell is the cell - membrane.