IB skill practice

Use gene expression and protein synthesis models

Syllabus-aligned Biology SL molecular biology and energy-transfer skill with approved production seeds.

Paper 1, Paper 2 5 marks Difficulty 4

Explain mutation effect on protein

A coding DNA sequence in a protein synthesis tutorial has one base substituted, causing a different mRNA codon and a different amino acid. Explain how this can affect the protein. Enter the answer and choose the interpretation that best matches the biological evidence.

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