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The outer cell-wall of Spirogyra is made up of-
  • a)
    Cellulose
  • b)
    Pectin/Pectose
  • c)
    Hemicellulose
  • d)
    Protein
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
The outer cell-wall of Spirogyra is made up of-a)Celluloseb)Pectin/Pec...
The cell wall consists of an inner layer of cellulose and an outer layer of pectin, which is responsible for the slippery texture of the algae. Spirogyra species can reproduce both sexually and asexually.
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Most Upvoted Answer
The outer cell-wall of Spirogyra is made up of-a)Celluloseb)Pectin/Pec...
The cell wall consists of an inner layer of cellulose and an outer layer of pectin, which is responsible for the slippery texture of the algae. Spirogyra species can reproduce both sexually and asexually.

So option b is correct answer . It is made up of Pectin or Pectose.

Hope you understand it .

Thank you very much.
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Community Answer
The outer cell-wall of Spirogyra is made up of-a)Celluloseb)Pectin/Pec...
Cell wall is the outermost protective double layered structure. Each cell of Spirogyra is surrounded by two layered cell wall. The inner layer of which is made of cellulose and the outer layer contains pectose. The outermost lining of pectose turns into pectin and get dissolved in water to form mucilage, which surrounds the filament and forms mucilagenous sheath. Thus,both A and B will be ans .
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The outer cell-wall of Spirogyra is made up of-a)Celluloseb)Pectin/Pectosec)Hemicellulosed)ProteinCorrect answer is option 'B'. Can you explain this answer?
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