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Biology · CELL THE UNIT OF LIFE

हिन्दी

Algae have a cell wall composed of specific chemical constituents that differentiate them from higher terrestrial plants. Which of the following correctly represents the chemical components present in the algal cell wall?

  1. Cellulose, hemicellulose, pectins and proteins
  2. Cellulose, peptidoglycan, calcium pectate and mannans
  3. Cellulose, galactans, mannans and calcium carbonate
  4. Hemicellulose, galactans, silica and chitin

Correct answer · Option 3

Cellulose, galactans, mannans and calcium carbonate

Explanation

Algae have a cell wall made of cellulose, galactans, mannans and minerals like calcium carbonate, whereas other plants possess cellulose, hemicellulose, pectins and proteins.
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