NEET 2010 Biology question

Algae have cell wall made up of

(1)Hemicellulose, pectins and proteins
(2)Pectins, cellulose and proteins
(3)Cellulose, hemicellulose and pectins
(4)Cellulose, galactans and mannansCorrect

Answer: (4)

Solution

In algae the cell wall is usually made of cellulose and, in many red algae, of galactans (agar, carrageen) and in some green algae, of mannans (and other polysaccharides such as alginic acid

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Question ID VK-090626