1. Protein synthesis is a two-stage process involving transcription and translation. Explain what happens in each stage of protein synthesis.
2. Scientists talk about coding and non‐coding DNA. What do these terms mean?
3. What does the term gene expression mean?
4. Describe the relationship between DNA, RNA, and proteins and explain how mutations can impact on phenotype.
5. Describe a situation where the effect of environment on phenotype can be observed and potentially reversed if the environment changes.
6. Describe a situation where the effect of environment on phenotype can be observed and cannot be reversed if the environment changes.