MCQ
Agar - agar is obtained from:
- AGigartina
- BGelidium
- CGracilaria
- DAll of the above
✓
Answer
- All of the above
Explanation:
Agar - agar is a gelling agent with unbranched polysaccharides and is used in microbiology as a solidifying agent of liquid culture mediums.
It is extracted from the cell wall of red algae, mostly from Gelidium, Gracilaria, and Gigartina species.
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