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A-LevelBiologyGenetic technologyOct/Nov 2019Paper 4 Q314 Marks

Therapeutic proteins are used to treat disease. The first purified therapeutic protein used was insulin, in 1922. The insulin was extracted from animal pancreases. Since 1982 most insulin has been made by recombinant DNA technology.

Q: What topic does this question test?

This question tests Genetic technology in A-Level Biology (syllabus code 9700). It is worth 14 marks.

📋 Examiner Report & Trap Analysis

Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...

🎯 Mark Scheme Breakdown

Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.

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About This A-Level Biology Question

Topic

This structured question tests Genetic technology in A-Level Biology (syllabus code 9700). It is worth 14 marks.

Source

This question appeared in the Cambridge A-Level Biology Oct/Nov 2019 examination, Paper 4 Variant 1.

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