Question

Agar-Agar is obtained form

• A. Gigartina
• B. Gelidium
• C. Graciilaria
• D. All of the above

Answer 1

Answer: (D)

All of the above

Agar -Agar is mainly used to solidify the media. It is obtained from algae. It is a polysaccharide agarose. It is mainly obtained by boiling the suspension of algae. It forms the supporting structure in the cell walls of certain species of algae. It is a linear polymer, made up of repeating units of agarobiose, a disaccharide made up of D-galactose and 3,6-anhydro-L-galactopyranose. It is obtained by Gigartina, Gelidium, Graciilaria.

So, the correct answer is option D.