Question

107. Algal cell wall made up of -
(1) Galactans
(2) Mannans
(3) (1) and (2) both
(4) Hemicellulose​

Answer 1

Explanation:

Algae possess cell walls made of glycoproteins and polysaccharides such as carrageenan and agar that are absent from land plants. In bacteria, the cell wall is composed of peptidoglycan.

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