Exam (elaborations)
AQA A Level Biology Chapter 20- Gene Expression
- Course
- Chapter 20
- Institution
- San Francisco State University
1 a i Why is the genetic code described as being universal? (1 mark) a ii The genetic code uses four different DNA bases. What is the maximum number of different DNA triplets that can be made using these four bases? (1 mark) Transcription of a gene produces pre-mRNA. b Name the process that ...
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