Multiple choice

Alginic acid is present in the cell wall of

  1. Bacillariophyceae

  2. Myxophyceae

  3. Xanthophyceae

  4. Laminaria

  5. -

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Alginic acid, also called algin or alginate, is an anionic polysaccharide that is distributed widely in the cell walls of brown algae.