10 March 2026 · 7 min read
Homeostasis and nervous coordination: negative feedback made simple
Topic 6 rewards a single habit: always answer in the order receptor, coordinator, effector, response — then add the numbers.
Read the guide →Free guides written against the AQA specification (7401 / 7402) — the content examiners reward, the wording that earns marks, and how to plan your revision.
10 March 2026 · 7 min read
Topic 6 rewards a single habit: always answer in the order receptor, coordinator, effector, response — then add the numbers.
Read the guide →25 February 2026 · 6 min read
Protein synthesis is a sequence question: the marks go to students who put the events in the right order with the right molecules named.
Read the guide →11 February 2026 · 9 min read
You are not asked to remember the lab day — you are asked about variables, controls and interpreting the data. Here is what to revise for each practical.
Read the guide →28 January 2026 · 7 min read
Enzyme questions appear on almost every paper. Here is the model examiners expect, the graph shapes to describe, and the exact wording that earns marks.
Read the guide →14 January 2026 · 8 min read
Reading notes feels productive but rarely moves grades. Here is a 12-week schedule built around active recall, spacing and exam-style practice.
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