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Learning objective

Explain that the order of bases controls the order of amino acids in a protein.

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Topic

Reproduction

Subtopic

DNA structure (biology only)

Aqa Gcse BiologyInheritance, variation and evolution

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Quick explanation

Explain that the order of bases controls the order of amino acids in a protein

  • This point belongs to Reproduction, especially DNA structure (biology only).
  • You need to be able to explain that the order of bases controls the order of amino acids in a protein.
  • The key ideas to know are amino acid, C, and T.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

amino acidCTAbases

Why it matters

This objective helps connect DNA structure (biology only) to exam-style questions, flashcards, and revision notes for Reproduction.

Quick student answer

How do you explain the order of bases controls the order of amino acids in a protein?

Direct answer

In Biology, this page helps you answer questions about the order of bases controls the order of amino acids in a protein within Reproduction. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are bases and amino acid.

Key terms

  • bases: The building blocks of DNA, consisting of adenine (A), cytosine (C), guanine (G), and thymine (T), which determine the genetic code.
  • amino acid: The organic compounds that serve as the building blocks of proteins, with their sequence determined by the order of bases in DNA.

Common trap

Base‑order misinterpretation: Explain that each codon (three bases) is read by the ribosome to specify a particular amino acid, so changing base order changes the amino‑acid order in the protein.

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