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IB Biology SL D1.2.9 Using Genetic Code Table Questions

Explore how template DNA is converted into mRNA codons and translated with a genetic code table in IB Biology SL D1.2.9.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Convert a template-DNA sequence to its complementary mRNA sequence before consulting the genetic code table.
  • Read mRNA codons in the 5′→3′ direction and use the genetic code table to identify the corresponding amino acids.
  • Check a complete DNA→mRNA→polypeptide representation and justify the resulting amino-acid sequence.

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Study D1.2.9—Using genetic code table conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Biology SL D1.2.9 Using Genetic Code Table Questions question 1

[Maximum number: 1]

A short base sequence of mRNA and a table of the genetic code are shown below.
Sequence of mRNA
AUGAGCCGAAGGUAGCUG
Table of the genetic code

Table for Question IB Biology SL D1.2.9 Using Genetic Code Table Questions question 1 — IB Biology SL

Determine the sequence of amino acids that could be translated from the sequence of mRNA.

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