Concept explainers
(a)
Interpretation:
The type of the radioactive material needs to be determined that is added to the culture medium considering that DNA is supposed to be radioactively labeled but not RNA, in dividing and growing bacterial cell.
Concept introduction:
Nucleotides are the construction buildings of
(b)
Interpretation:
A product comprising DNA polymerase and primed model DNA must be supplemented with precursors. Also, where core phosphorous atoms are evenly marked with 32P, the location of radioactive atoms in these precursors when the DNA is to be ready should be stated.
Concept introduction:
DNA elongation performs in 5’-3’direction. Chain elongation reaction takes place when 3-hydroxyl group attacks the innermost phosphorus atom of deoxy nucleoside triphosphate. In the

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Chapter 4 Solutions
BIOCHEMISTRY (LOOSELEAF)-W/ACCESS
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