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Protein synthesis: CAIE A‑Level Biology questions

Every CAIE A-Level Biology exam question on 6.2 Protein synthesis, June 2024 and the specimen papers, with its mark scheme and examiner’s report.

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240 questions

  1. Q22

    June 2024 · Paper 1

    The whole paper ↗
    June 2024 Paper 1, question 22: The diagram shows the nucleotide sequence of a small section of the transcribed strand of a gene. CGG GCC CCG CGG The table shows the amino acids coded for by 1
  2. Q23

    June 2024 · Paper 1

    The whole paper ↗
    June 2024 Paper 1, question 23: What does the process of translation require? A DNA, free nucleotide bases and mRNA B DNA, mRNA, amino acids and RNA polymerase C mRNA, ribosomes and RNA polyme
  3. Q6(b)

    June 2024 · Paper 2

    The whole paper ↗
    June 2024 Paper 2, question 6(b): It is estimated that the immune system of each person can make enough antibodies to bind to over 1012 different antigens. When plasma cells make antibody molecu
  4. Q24

    Specimen · Paper 1

    The whole paper ↗
    Specimen Paper 1, question 24: Gene mutations can occur by substitution, deletion or insertion. What is the smallest part of a DNA molecule that can be changed by a gene mutation? A base B co
  5. Q2(e)

    Specimen · Paper 2

    The whole paper ↗
    Specimen Paper 2, question 2(e): Rifampicin is one antibiotic that can be used to kill mycobacterial cells. Although rifampicin is very effective at killing mycobacterial cells, it is often the
All 5 questions on Protein synthesis, as a list
  1. June 2024, Paper 1, Q22 (1 mark): The diagram shows the nucleotide sequence of a small section of the transcribed strand of a gene. CGG GCC CCG CGG The table shows the amino acids coded for by 1
  2. June 2024, Paper 1, Q23 (1 mark): What does the process of translation require? A DNA, free nucleotide bases and mRNA B DNA, mRNA, amino acids and RNA polymerase C mRNA, ribosomes and RNA polyme
  3. June 2024, Paper 2, Q6(b) (2 marks): It is estimated that the immune system of each person can make enough antibodies to bind to over 1012 different antigens. When plasma cells make antibody molecu
  4. Specimen, Paper 1, Q24 (1 mark): Gene mutations can occur by substitution, deletion or insertion. What is the smallest part of a DNA molecule that can be changed by a gene mutation? A base B co
  5. Specimen, Paper 2, Q2(e) (2 marks): Rifampicin is one antibiotic that can be used to kill mycobacterial cells. Although rifampicin is very effective at killing mycobacterial cells, it is often the

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