CAPE Biology Unit 1 · 2012 · Paper 1 · Question Q25
Which of the following identifies the correct sequence of the process?
1 Potential difference applied.
2 Cut by restriction enzymes.
3 DNA extracted from cell.
4 Fragments travel to anode.
5 ^{32}\text{P} probe added.
6 Fragments placed in well at end of gel.
7 Autoradiograph.
- (A)2, 3, 5, 4, 6, 7, 1
- (B)3, 2, 6, 1, 4, 5, 7
- (C)4, 3, 6, 7, 2, 1, 5
- (D)5, 6, 1, 3, 4, 7, 2
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