CAPE Biology Unit 1 · 2013 · 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 3 4 7 2 1
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