Multiple choice

Alginic acid is found in the cell walls of which of the following?

  1. Gigartina

  2. Laminaria

  3. Gelidium

  4. Scytonema

  5. -

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

Alginic acid is an anionic polysaccharide that is distributed widely in the cell walls of brown algae, such as laminaria.