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how will u identify which one of the given 2 test tube
contains protein solution or which one contains DNA solution
without using any instrument?

Answers were Sorted based on User's Feedback



how will u identify which one of the given 2 test tube contains protein solution or which one cont..

Answer / t

without using instrument or any reagent,one can simply
shake the test tube,frothing will indicate the presence of
protein in the test tube

Is This Answer Correct ?    12 Yes 0 No

how will u identify which one of the given 2 test tube contains protein solution or which one cont..

Answer / vipul panchal

just add chloroform or phenol to the test tube. one in which u
find turbidity contains protein. Rest one obviously wl have
DNA solution

Is This Answer Correct ?    6 Yes 1 No

how will u identify which one of the given 2 test tube contains protein solution or which one cont..

Answer / muni kumar

Buiret test
Buiret solution is a blue liquid that changes to purple
when proteins are present and to pink in the presence of
short chains of polypeptides. The copper atom of the biuret
solution reacts with the peptide bonds to cause the color
change.

Is This Answer Correct ?    2 Yes 0 No

how will u identify which one of the given 2 test tube contains protein solution or which one cont..

Answer / narayana

By shaking of 2 test tubes.
distrubing the solution that is protien,no change thats DNA.

Is This Answer Correct ?    0 Yes 0 No

how will u identify which one of the given 2 test tube contains protein solution or which one cont..

Answer / kesava

by shaking the test tube, on shaking test tube proteins gives floath and dna solution will not give floath.

Is This Answer Correct ?    0 Yes 0 No

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