In gel electrophoresis technique.

A DNA fragments can visualised in visible .light without staining.
B The natural polymer is used as a matrix which is extracted from see weeds.
C Bright blue coloured bands of DNA in a ethidium bromide stained gel exposed to visible light.
D The larger the DNA fragment size the further it move in agarose matrix.

Verified Solution

Answer & Solution

Correct Answer

(B) The natural polymer is used as a matrix which is extracted from see weeds.

Step-by-step Solution

Detailed explanation

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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