Milestone map
Milestone map
3 milestones
Map key metabolic and molecular pathways
4–6 weeks (building maps across four domains)
Build a reference map of four core biochemistry domains: energy metabolism (glycolysis, TCA cycle, oxidative phosphorylation), protein synthesis and degradation (translation, post-translational modification, proteasome), nucleic acid biochemistry (DNA replication, transcription, RNA processing), and clinical biochemistry (enzyme kinetics, buffer systems, electrolytes). For each domain, your map should cover: the pathway steps, the key enzymes and their roles, regulatory points, and the clinical consequences of disruption.
Proof required
Submit your pathway maps for all four domains. Maps may be written, diagrammatic, or both. Include a one-paragraph explanation of which domain required the most active effort to get clear and why.
What gets checked
- Each pathway map includes regulatory points and what activates or inhibits them — not just the steps.
- Clinical consequences are populated from a clinical biochemistry or pathology source — not just biochemistry texts.
- All four domains are covered — selective omission of harder domains doesn't pass.
Common mistakes
- Pathway diagrams that show the steps but not the enzymes — an examiner will ask about enzyme names and roles.
- Maps without regulatory points — regulation is where biochemistry connects to physiology and to pharmacology.
- Over-investing in one domain at the expense of breadth — all four domains are tested in the next milestone.
Resources
Foundationstart here
Depthgo deeper
Masteryfor the dedicated
What a verifier looks for
- Ask which regulatory point the student found most counterintuitive and why — this tests engagement with the harder material.
- Check that clinical consequences are present for each domain — biochemistry without clinical application is memorisation, not mastery.
- Ask one spot question now: 'Name two enzymes in the TCA cycle and what happens if they're deficient'.
Pass a live biochemistry examiner Q&A
1 week (preparation) + session
Sit a minimum 45-minute live biochemistry Q&A with a qualified examiner — a medical or biomedical science graduate, or a biochemistry lecturer or teaching fellow. The session covers all four domains mapped in Milestone 1. Question types must include: pathway questions (trace this metabolite), mechanism questions (why does this enzyme need this cofactor?), and clinical correlation questions (what metabolic derangement explains this blood result?). Pass = fewer than 3 factual errors on the core pathways and ability to reason through at least one clinical scenario.
Proof required
Submit a written session record countersigned by the examiner: date, duration, examiner credentials, domains covered, and explicit pass/not-yet-pass assessment.
What gets checked
- Examiner is a medical, biomedical science, or pharmacy graduate, or a university-level biochemistry teacher — not a fellow student.
- All four pathway domains were covered in the session — selective coverage is not permitted.
- Examiner assessment is explicit ('pass' or 'not yet pass') — vague positive feedback is not sufficient.
Common mistakes
- Restricting the Q&A to your strongest domains to avoid exposure of gaps.
- Q&A with a peer student — this does not satisfy the AI-fakeability requirement for preclinical knowledge.
- Preparing for memorised questions rather than reasoning-based questions — examiners at this level always present novel variants.
Resources
Foundationstart here
What a verifier looks for
- Confirm examiner credentials before accepting the session record — the credentials must be verifiable (university email, professional registration number, etc.).
- Ask whether the examiner presented a novel clinical scenario not explicitly covered in the pathway maps — if not, the Q&A only tested memory.
- Ask the student what question they got wrong in the session and what the correct answer was.
Analyse a clinical case with biochemical root cause
1–2 weeks
Work through two published clinical cases where a metabolic or molecular disorder is central to the diagnosis — for example, a metabolic acidosis case (buffer systems, anion gap), a glycogen storage disorder (glycolysis/glycogenolysis), or an inborn error of metabolism (enzyme deficiency in a specific pathway). For each case, identify the biochemical mechanism underlying the clinical presentation, map it to the pathway steps in your Milestone 1 maps, and explain what investigation findings you'd expect and why.
Proof required
Submit two case analyses (1–2 pages each) with the case source cited, pathway step references from your maps, and expected investigation findings with biochemical justification. A one-paragraph reflection on what the cases revealed about the limits of your pathway maps.
What gets checked
- Both cases involve different biochemical pathways or domains — not two variants of the same mechanism.
- Investigation findings are justified biochemically — not just listed as 'you'd expect elevated X'.
- Reflection identifies a specific gap in one of the pathway maps that the case analysis exposed.
Common mistakes
- Choosing cases that test only memorised facts rather than reasoning through novel biochemical connections.
- Failing to link the case back to specific pathway steps in the maps from Milestone 1 — the maps are the anchor, not background material.
- Investigation findings that are clinically correct but biochemically unexplained — the justification is the milestone requirement.
Resources
Foundationstart here
Depthgo deeper
What a verifier looks for
- Check that both cases are from different biochemical domains — similar disorders from the same pathway are not adequate breadth.
- Ask the student to explain the anion gap calculation or equivalent biochemical investigation reasoning for one of their cases.
- Verify that pathway references in the case analyses correspond to actual steps in the submitted maps from Milestone 1.