plumiProtein production and secretion: OCR A‑Level Biology A questions
OCR A-Level Biology A past-paper questions on 2.1.1.4 Protein production and secretion, 2016–2025, with mark schemes and examiner’s reports where available.
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Q23(a)(iii)
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All 11 questions on Protein production and secretion, as a list
- June 2025, AS Paper 1, Q23(a)(iii) (3 marks): Using the diagram and your own knowledge, explain why plasma cells are usually larger than B lymphocytes. [3]
- June 2024, Paper 1, Q21(a) (3 marks): Most digestive enzymes are extracellular. Complete the sentences about the synthesis and secretion of a typical digestive enzyme using the most appropriate term
- June 2024, AS Paper 2, Q5(c)(ii) (4 marks): Describe how the rough endoplasmic reticulum and the Golgi apparatus are involved in the production of a secretory vesicle that contains protein. [4]
- June 2023, AS Paper 1, Q8 (1 mark): What is the pathway taken by a protein that has been made and is to be secreted from a cell? A Ribosome vesicle Golgi apparatus cytoplasm B Ribosome vesicle rou
- November 2021, Paper 1, Q3 (1 mark): Which of the options describes the path taken by proteins, such as digestive enzymes, that are exported from a cell? A Golgi apparatus rough endoplasmic reticul
- November 2021, AS Paper 1, Q21(b)(iii) (2 marks): Suggest two ways tubulin is essential to protein synthesis and protein secretion in eukaryotic cells. 1 2 [2]
- November 2020, AS Paper 2, Q2(a)(ii) (2 marks): Suggest how the role of the cellular component labelled B is relevant to the function of the goblet cell. [2]
- November 2020, AS Paper 2, Q2(b)(i) (2 marks): Mucus is present in goblet cells as condensed granules. Some studies reveal that when secreted, the mucus expands to 500 times its volume in 20 ms. 40 cm3 of mu
- June 2018, AS Paper 1, Q1 (1 mark): Which organelle, A to D, is not involved in the production and secretion of enzymes in eukaryotes? A golgi apparatus B ribosomes C smooth endoplasmic reticulum
- June 2017, Paper 1, Q20(e) (1 mark): Anaerobic respiration in yeast cells requires enzymes. Which organelle is responsible for synthesising these enzymes? [1]
- June 2017, AS Paper 1, Q22(b) (3 marks): Humans use the enzyme α-amylase to break down polysaccharides in food for absorption into the blood. The gene for human α-amylase is found on chromosome 1. The
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