Cell wall of which one of these is not made up of cellulose? (a) Bacteria (b) Hydrilla (c) Mango tree (d) Cactus

(a) Bacteria

Plant cells, in addition to the plasma membrane, have another rigid outer covering called the cell wall. The cell wall lies outside the plasma membrane. The plant cell wall is mainly composed of cellulose. Cellulose is a complex substance and provides structural strength to plants. Bacteria is not a plant therefore its cell wall is made up of peptidoglycan.

  • The cell wall in bacteria is essential for survival as it helps to keep the contents of the cell intact.
  • Antibiotics usually work on this principle by targeting the bacterial cell wall and causing lysis.
  • This leads to the expulsion of cellular contents and the eventual death of the cell.

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