Question:

Agarose is a natural polymer extracted from

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Agarose, a natural polymer used in gel electrophoresis, is extracted from red algae species like Gelidium and Gracilaria.
Updated On: Jun 19, 2026
  • Fungi
  • Bryophytes
  • Sea Weeds
  • Pteridophytes
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The Correct Option is C

Solution and Explanation

Step 1: Understanding agarose.
Agarose is a polysaccharide polymer widely used in molecular biology for gel electrophoresis.

Step 2: Source of agarose.

- Agarose is extracted from red algae (seaweeds), specifically Gelidium and Gracilaria species.
- It is a mixture of agarobiose and other polysaccharides.

Step 3: Comparison with other options.

- Fungi: do not produce agarose; they may produce other polysaccharides.
- Bryophytes: mosses, do not produce agarose.
- Pteridophytes: ferns, no agarose.

Step 4: Application.

- Agarose forms gels used to separate DNA or RNA in agarose gel electrophoresis.

Step 5: Conclusion.

Hence, agarose is naturally extracted from seaweeds.
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