Q295
Commercial agar is obtained from
A.
Chlorella
B.
Gracilaria
AnswerC.
Parphyro
D.
Volvox
Answer: Option B
Solution
Answer: Option B
Solution:
The gelling agent in agar is an unbranched polysaccharide obtained from the cell walls of some species of red algae, primarily from tengusa (Gelidiaceae) and ogonori (Gracilaria). For commercial purposes, it is derived primarily from ogonori.