Question

What passes through the cell wall?

Answer 1

Cell Wall:

1. The cell wall is the outermost dead membrane of a cell.
2. A cell wall is a fully permeable membrane that can allow molecules to have less than 10,000 Daltons size.
3. Water molecules, gas, and other hydrophobic molecules including lipids pass through the plant’s cell wall.
4. If the cell wall is cutinized, lignified, or suberized then it did not allow the movement of any substance across it.
5. It is present only in plant cells and also found in fungi, bacteria, and some protests.
6. The cell wall acts as an exoskeleton for the plant, bacterial, and fungal cells
7. The cell wall functions by providing shape and protecting the internal cell organelles from the external environment.
8. In plants cell wall is made up of cellulose, the fungal cell wall is made up of chitin, and the bacterial cell wall is made up of peptidoglycan.