Q.
Agar - agar which is extensively used in all microbiological studies and culture media is an important product of sea resources and is obtained from which group of algae?
: Agar-agar, a jelly-like substance which is a complex polysaccharide is obtained from certain species of red algae belonging to Gelidium, Graciliana, Gigartima and some other genera. This is produced and stored in their cell walls along with cellulose.