plumiTranscription and translation: Edexcel International A Level Biology questions
Edexcel International A Level Biology past-paper questions on 2.5.2 Transcription and translation, 2019–2025, with mark schemes and examiner’s reports where available.
All papers
All years
Q5(b)
The whole paper ↗
Loading the start of the question…
Loading the question…
Open the full PDFQ5(c)(i)
The whole paper ↗Loading the start of the question…
Loading the question…
Open the full PDFQ5(c)(ii)
The whole paper ↗Loading the start of the question…
Loading the question…
Open the full PDFQ6(b)(iii)
The whole paper ↗
Loading the start of the question…
Loading the question…
Open the full PDFQ6(c)(iii)
The whole paper ↗
Loading the start of the question…
Loading the question…
Open the full PDFQ7(b)(iii)
The whole paper ↗
Loading the start of the question…
Loading the question…
Open the full PDFYour answerQ5(b)(i)
The whole paper ↗
Loading the start of the question…
Loading the question…
Open the full PDFQ3(a)
The whole paper ↗
Loading the start of the question…
Loading the question…
Open the full PDFQ3(b)
The whole paper ↗Loading the start of the question…
Loading the question…
Open the full PDFQ3(c)
The whole paper ↗Loading the start of the question…
Loading the question…
Open the full PDFQ3(a)
The whole paper ↗
Loading the start of the question…
Loading the question…
Open the full PDFQ3(b)(i)
The whole paper ↗Loading the start of the question…
Loading the question…
Open the full PDFQ3(b)(ii)
The whole paper ↗Loading the start of the question…
Loading the question…
Open the full PDFQ1(a)(i)
The whole paper ↗
Loading the start of the question…
Loading the question…
Open the full PDFQ1(a)(ii)
The whole paper ↗Loading the start of the question…
Loading the question…
Open the full PDFQ1(a)(iii)
The whole paper ↗Loading the start of the question…
Loading the question…
Open the full PDFQ8(c)(i)
The whole paper ↗
Loading the start of the question…
Loading the question…
Open the full PDFQ8(a)(i)
The whole paper ↗
Loading the start of the question…
Loading the question…
Open the full PDFQ6(b)(iii)
The whole paper ↗
Loading the start of the question…
Loading the question…
Open the full PDFQ2(b)(ii)
The whole paper ↗
Loading the start of the question…
Loading the question…
Open the full PDF
All 27 questions on Transcription and translation, as a list
- June 2025, AS Unit 1, Q5(b) (3 marks): Protein synthesis increases as a cell grows. Describe the roles of messenger RNA (mRNA) and transfer RNA (tRNA) in protein synthesis. (3)
- June 2025, AS Unit 1, Q5(c)(i) (2 marks): Give one advantage and one disadvantage of using a Voronoi diagram to present this information. (2) Advantage Disadvantage
- June 2025, AS Unit 1, Q5(c)(ii) (6 marks): The proportions of these molecules change as a bacterial cell prepares to divide, as it divides into two new bacterial cells and as each new bacterial cell grow
- June 2025, Unit 4, Q6(b)(iii) (4 marks): Describe the roles of the proteins: • RNA polymerase • ribosomal protein • RUBISCO • ATP synthetase. (4)
- January 2025, AS Unit 1, Q6(c)(iii) (2 marks): Another drug, used to treat FH, is a short antisense strand of DNA from the apo B gene. Suggest how this antisense strand of DNA would reduce the levels of apo
- January 2025, AS Unit 2, Q7(b)(iii) (1 mark): Which row gives the names of the molecules labelled X and Z? (1) Molecule X Molecule Z A polypeptide DNA strand B polypeptide RNA strand C polysaccharide DNA st
- October 2024, AS Unit 1, Q5(b)(i) (2 marks): Describe the role of mRNA in the production of enzymes. (2)
- June 2024, AS Unit 1, Q3(a) (2 marks): Describe the role of RNA polymerase in protein synthesis. (2)
- June 2024, AS Unit 1, Q3(b) (3 marks): Compare and contrast the structure of the start and stop codons and how they work. (3)
- June 2024, AS Unit 1, Q3(c) (2 marks): Describe the roles of the ribosomes in protein synthesis. (2)
- October 2023, AS Unit 1, Q3(a) (2 marks): The rate of protein synthesis is dependent on a number of factors. The graph shows the effect of the mass of protein in the diet on the rate of protein synthesi
- October 2023, AS Unit 1, Q3(b)(i) (1 mark): Name the two stages in protein synthesis, in the order that they occur. (1) Stage 1 Stage 2
- October 2023, AS Unit 1, Q3(b)(ii) (4 marks): Describe the roles of messenger RNA (mRNA) and transfer RNA (tRNA) in protein synthesis. (4)
- June 2023, AS Unit 1, Q1(a)(i) (1 mark): Complete the diagram to show the sequence of bases in this mRNA. (1)
- June 2023, AS Unit 1, Q1(a)(ii) (1 mark): Name this stage of protein synthesis. (1)
- June 2023, AS Unit 1, Q1(a)(iii) (1 mark): Name the enzyme used in this stage of protein synthesis. (1)
- January 2023, AS Unit 1, Q8(c)(i) (3 marks): Explain how the alleles present in individual 3 result in the proteins found on the surfaces of his red blood cells. (3)
- January 2023, Unit 4, Q8(a)(i) (3 marks): Describe how the viral RNA is translated. (3)
- October 2021, AS Unit 1, Q6(b)(iii) (3 marks): In AHP, toxic porphyrin molecules build up. The synthesis of the haem component of haemoglobin involves several steps. Each step in the synthesis of haem is cat
- October 2021, Unit 4, Q2(b)(ii) (2 marks): Explain why a positive RNA strand has to be made. (2)
- October 2021, Unit 5, Q6(a)(i) (1 mark): Which is the function of tRNA in cytokine synthesis? (1) A identifies an amino acid and transports it to a ribosome B identifies a base and transports it to a r
- January 2021, AS Unit 1, Q1(b)(i) (3 marks): The table shows some statements about the new complementary DNA strand and the mRNA strand synthesised using this sequence of bases. For each statement, put one
- January 2021, AS Unit 1, Q1(b)(ii) (1 mark): Name the process that synthesises a mRNA strand using the DNA template strand. (1)
- October 2020, AS Unit 1, Q1(a) (5 marks): Read through the following account of the primary structure of a protein. (5) Complete the account by writing the most appropriate word or words on the dotted l
- October 2020, AS Unit 1, Q6(b)(i) (1 mark): Give the sequence of amino acids that is coded for by these bases. (1)
- June 2019, AS Unit 1, Q3(d) (1 mark): Messenger RNA (mRNA) and transfer RNA (tRNA) are involved in the synthesis of a polypeptide chain from DNA. Which row of the table shows the codon on mRNA and t
- June 2019, AS Unit 1, Q8(b)(iii) (3 marks): Transfer RNA (tRNA) is involved in translation. The amino acid AzPhe requires a special tRNA molecule during the synthesis of silk. Suggest why AzPhe is not ins
Questions, mark schemes and examiner’s reports are © Pearson Edexcel, from their published past papers. Plumi isn’t affiliated with any exam board. Want whole papers? Edexcel International A Level Biology past papers.
The Plumi iPad app also offers exam-style questions with AI feedback on your handwritten working.