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A level | Biology | Topic 2C | Genetics and gene expression | Pearson Edexcel
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Chemistry, Biology, and Math revision Hub
1 month agoA level | Biology | Topic 2C | Genetics and gene expression | Pearson Edexcel
329 views
Chemistry, Biology, and Math revision Hub
1 month agoA level | Biology | Topic 2C | Genetics and gene expression | Pearson Edexcel
![[9BI0\/02] Edexcel Biology B Specification Paper 2 Frequently Asked Questions Sorted By Topic [1\/2]](http://i.ytimg.com/vi/YtZaev1bV9A/mqdefault.jpg "[9BI0\/02] Edexcel Biology B Specification Paper 2 Frequently Asked Questions Sorted By Topic [1\/2]")
![A 2 × 2 matrix B is upper triangular if [B]21 = 0. Let UT2 be the set of all 2 × 2 upper triangular…](http://i.ytimg.com/vi/EOklXvmf7-0/mqdefault.jpg "A 2 × 2 matrix B is upper triangular if [B]21 = 0. Let UT2 be the set of all 2 × 2 upper triangular…")
