Question

what is cell wal????​

Answer 1

Answer:

cell wall is a structural layer surrounding some types of cells, just outside the cell membrane. It can be tough, flexible, and sometimes rigid. It provides the cell with both structural support and protection, and also acts as a filtering mechanism.

Answer 2

Answer:

• Cell wall is the outer structural, semi-permeable,protective layer of plant cell.
• It is apposes the growth of wall.
• It provide protection to the internal structures of cells.
• It controls the molecules passage across cell.
• It consist of : pectin ,hemicellulose and cellulose.
• The cell wall of algae cell wall are composed of polysaccharides, glycoproteins.
• Fungi cell wall composed of N-acetylglucosamine,chitin polymer.