Human cells
Enzyme regulation and metabolic pathways
Explain regulation of linked reactions using enzyme and pathway terminology.
One type, 8 sittings. Repeated examples stay together rather than becoming duplicate catalogue entries.
Open a linked question page and attempt the relevant question on paper or in your own notes. Then expand the marking instructions and check the same question number. Responses are not entered or saved on this page.
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Response forms found on linked pages
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4 linked pages in 2025. The different years are examples of this same skill family, not additional types.
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2025 · Paper 1 Multiple choice
Official PDFPDF viewer page 4. Other questions may share this page; choose the question or subpart testing enzyme regulation and metabolic pathways.
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Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.
2025 marking · Paper 1 Multiple choice (PDF opens in a new tab) - Open question page (PDF opens in a new tab)
2025 · Paper 2
Official PDFPDF viewer page 7. Other questions may share this page; choose the question or subpart testing enzyme regulation and metabolic pathways.
Check the published marking instructions
Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.
2025 marking · Paper 2 (PDF opens in a new tab) - Open question page (PDF opens in a new tab)
2025 · Paper 2
Official PDFPDF viewer page 8. Other questions may share this page; choose the question or subpart testing enzyme regulation and metabolic pathways.
Check the published marking instructions
Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.
2025 marking · Paper 2 (PDF opens in a new tab) - Open question page (PDF opens in a new tab)
2025 · Paper 2
Official PDFPDF viewer page 16. Other questions may share this page; choose the question or subpart testing enzyme regulation and metabolic pathways.
Check the published marking instructions
Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.
2025 marking · Paper 2 (PDF opens in a new tab)
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