Algae have cell wall made up of (1) Cellulose, hemicellulose and pectins (2) Cellulose, galactans and mannans (3) Hemicellulose, pectins and proteins (4) Pectins, cellulose and proteins

Answer: (2) Cellulose, galactans and mannans

Alga is a term that describes a large and incredibly diverse group of eukaryotic, photosynthetic lifeforms. These organisms do not share a common ancestor and hence, are not related to each other (polyphyletic).

  • Algae do have a cell wall that consists of cellulose, Galatians and mannans.
  • Algae, including plants, contain cell walls that comprise either polysaccharides like cellulose or a range of glycoproteins or both.
  • The presence of additional polysaccharides in algal cell walls is often used as a tool for algal taxonomy Mananas type microfibrils in the cell walls of a variety of marine green algae such as those in the genera Codium, Acetabularia and in the walls of certain red algae such as Porphyra.
  • In bacteria, the cell wall is composed of peptidoglycan.

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