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Algae have cell wall made up of: [2010]
  • a)
    cellulose, galactans and mannans
  • b)
    hemicellulose, pectins and proteins
  • c)
    pectins, cellulose and proteins
  • d)
    cellulose, hemicellulose and pectins
Correct answer is option 'A'. Can you explain this answer?
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Algae have cell wall made up of: [2010]a)cellulose, galactans and mann...
Algae possess a definite cell wall containing cellulose, galactans and mannans.
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Algae have cell wall made up of: [2010]a)cellulose, galactans and mann...
Algae Cell Wall Composition

Algae are a diverse group of aquatic plants that have a unique cell structure. Algae have a cell wall that is composed of various substances depending on the species. The cell wall provides support and protection to the cell and is an important feature for classification.

Cell Wall Composition

Algae have a cell wall that is composed of cellulose, galactans, and mannans. These substances are polysaccharides, which are long chains of sugar molecules. The composition of the cell wall can vary depending on the species of algae. Some algae have additional substances such as silica, calcium carbonate, or proteins in their cell walls.

Cellulose

Cellulose is a polysaccharide that is made up of glucose molecules. It is the primary component of the cell wall in algae and provides strength and rigidity to the cell. Cellulose is also found in the cell walls of plants and some bacteria.

Galactans

Galactans are polysaccharides that contain galactose as their main sugar. They are found in the cell wall of many algae and provide flexibility to the cell wall. Galactans are also found in some plants and bacteria.

Mannans

Mannans are polysaccharides that contain mannose as their main sugar. They are found in the cell wall of some algae and provide structural support to the cell wall. Mannans are also found in some plants and bacteria.

Importance

The composition of the cell wall is an important feature for the classification of algae. The presence or absence of certain substances in the cell wall can help to identify different species of algae. The cell wall also provides support and protection to the cell, helping it to maintain its shape and function in aquatic environments.
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Algae have cell wall made up of: [2010]a)cellulose, galactans and mann...
Refer cell chapter from class 11 ncert composition of cell wall. Although galactans, manans are composition of algal cell wall hemicellulose too
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Algae have cell wall made up of: [2010]a)cellulose, galactans and mannansb)hemicellulose, pectins and proteinsc)pectins, cellulose and proteinsd)cellulose, hemicellulose and pectinsCorrect answer is option 'A'. Can you explain this answer?
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