Question

which statement is true about a cell wall but not a cell membrane? it forms the outer layer of a cell. it gives an animal cell its shape. it is selectively permeable. it is made mostly of cellulose.

Explanation:

The cell wall in plant cells is mainly made of cellulose. While both cell - wall and cell - membrane can be outer layers (cell - wall is outer in plant cells with cell - membrane beneath it), the cell - membrane gives animal cells shape and is selectively permeable. The cell wall being made mostly of cellulose is unique to it among the given statements.

Answer:

It is made mostly of cellulose.