IB Biology HL 1.2.6 Translation roles and fidelity Question Bank
Practise IB Biology HL 1.2.6 by analysing tRNA charging, ribosome sites and the fidelity of amino-acid selection.
- Syllabus
- First assessment 2025
- Course
- Biology HL
- Level
- HL
Exam points
- Analyse how tRNA-activating enzymes attach the correct amino acid to tRNA.
- Explain the functions of tRNA binding sites and how they support accurate elongation.
- Evaluate a translation diagram by tracing amino-acid selection, codon recognition and peptide growth.
D1.2.6—Roles in translation question 1
[Maximum number: 2]
Outline the functions of the two binding sites on the tRNA.
a. binding/carrying/transporting amino acid/amino acids / to hold the polypeptide chain «during translation»
b. anticodon / to bind with a codon «on mRNA» / to translate mRNA
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