MCQ
Protons for the formation of $ATP$ first pass from
- ✓$F_o$ part
- B$F_1$ head piece
- C$Cyt$ $c$
- DComplex $II$

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$I.$ Ethidium bromide
$II.$ Restriction endonuclease
$III.$ Agarose
$IV.$ $UV$ radiation
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