hannahcarrier6914 hannahcarrier6914
  • 10-10-2018
  • Chemistry
contestada

Which phosphate in this tetranucleotide would be radioactive? Note that the phosphates are numbered 1-4 in red from top to bottom?

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ilzinhootigee ilzinhootigee
  • 13-10-2018

The phosphodiester bonds contains a sugar attached to a phosphate group. Since one outermost phosphate is used to form a phosphate bond everytime, from a precursor containing innermost radiolabelled phosphate, the third phosphate groups will be radioactive in nature. So correct answer is 3.


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