Biotechnology Engineering (M.Phil./Ph.D.) 2017 Panjab University Entrance Exam With Answers

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40.

During labelling experiment the DNA was labelled with 3H thymidine while the protein was labelled with 14C lysine. The spectrophotometric analysis enabled differentiating the two biomolecules. Based on radioactivity measurement how would you reassure that both these biomolecules were radiolabelled.

A: These emitted first Gamma particles followed by beta particles
B: These emitted Beta particles and Gamma particles
C: Both emitted Gamma particles only
D: Both emitted Beta Particles only

The answer is: D