Question

CIDNP (“kidnip”) can be used to detect these compounds via NMR. One of these compounds is attached to a macromolecule in spin labeling, as monitored by EPR spectroscopy. (15[1])DPPH, Fremy’s salt and TEMPO (15[1])are (15[1])persistent examples (-5[1])of these compounds. These compounds may be formed through homolytic cleavage. Fish-hook arrows represent the (15[1]-5[1])lone (15[1])(*) electron movement of these compounds. Damage to DNA by these compounds may cause cancer. (10[1])Antioxidants neutralize these compounds through electron donation. For 10 points, name these highly reactive species containing unpaired electrons. ■END■ (10[2]0[2])

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Summary