Master Cambridge A Level Biology — all the way to A*
Every topic on the Cambridge 9700 syllabus, taught with the precision and exam technique that top mark bands actually demand — so you stop guessing and start reasoning like a biologist.

"My job isn't to cover the syllabus — it's to make sure you actually understand it, and that you can prove it on the page."— Renstay

What you'll learn
What you'll be able to do
- Recall and explain every core topic on the Cambridge 9700 syllabus — from cell biology and biological molecules to genetics, ecology, and homeostasis
- Draw, annotate, and interpret biological diagrams (cells, mitosis, heart, nephron, synapses) to the standard expected in Cambridge mark schemes
- Apply command-word technique (describe, explain, suggest, evaluate) to consistently earn full marks on structured exam questions
- Plan and analyse AS and A2 practical experiments, including results tables, graph plotting, error analysis, and statistical tests required by the syllabus
- Tackle challenging multiple-choice and data-response questions by using elimination strategies and quantitative reasoning with confidence
- Construct well-evidenced extended-response answers on topics such as evolution, immunity, and gene expression that satisfy Cambridge's highest mark-band descriptors
How it works
A school that adapts to you
This isn't a set of static videos. Every lesson is generated live and tuned to where you actually are.
We learn your level
A quick placement check tailors your starting point so you're never bored or lost.
Lessons adapt as you go
Each lesson is written for your pace and your goal, adjusting as your skills grow.
Your AI coach keeps you moving
Checkpoints, feedback, and gentle nudges turn progress into a real result.
The curriculum
What's inside your school
7 modules · 35 lessons

Biological Molecules
Covers the structure, properties, and biological roles of all major macromolecules tested on the 9700 syllabus.
- 1.1Water and Inorganic IonsIncluded
- 1.2CarbohydratesIncluded
- 1.3LipidsIncluded
- 1.4Proteins and Amino AcidsIncluded
- 1.5Nucleic Acids and ATPIncluded
Cell Structure and Transport
Builds understanding of cell ultrastructure, membrane biology, and the mechanisms cells use to move substances.
- 2.1Prokaryotic and Eukaryotic Cell StructureIncluded
- 2.2Cell Membranes and the Fluid Mosaic ModelIncluded
- 2.3Diffusion, Osmosis, and Active TransportIncluded
- 2.4Cell Division — Mitosis and the Cell CycleIncluded
- 2.5Microscopy and Magnification CalculationsIncluded
Enzymes, Respiration, and Photosynthesis
Explores enzyme kinetics and the two major metabolic pathways that underpin all cellular energy transformations.
- 3.1Enzyme Structure and MechanismIncluded
- 3.2Enzyme Inhibition and CofactorsIncluded
- 3.3Glycolysis and Anaerobic RespirationIncluded
- 3.4Aerobic Respiration — Krebs Cycle and Oxidative PhosphorylationIncluded
- 3.5Photosynthesis — Light-Dependent and Light-Independent ReactionsIncluded
Genetics, Molecular Biology, and Biotechnology
Covers DNA replication, gene expression, inheritance patterns, and the biotechnological applications examined at A2.
- 4.1DNA Replication and the Genetic CodeIncluded
- 4.2Transcription, Translation, and Gene ExpressionIncluded
- 4.3Meiosis, Genetic Variation, and InheritanceIncluded
- 4.4Mutations and their ConsequencesIncluded
- 4.5Genetic Technologies and BiotechnologyIncluded
Physiology — Transport, Coordination, and Homeostasis
Covers the key animal and plant physiological systems assessed in both AS and A2 components of the 9700 syllabus.
- 5.1The Circulatory System and the HeartIncluded
- 5.2Gas Exchange — Lungs, Gills, and InsectsIncluded
- 5.3The Immune System — Innate and Adaptive ImmunityIncluded
- 5.4Homeostasis — Blood Glucose, Temperature, and the KidneyIncluded
- 5.5Nerves, Synapses, and HormonesIncluded
- 5.6Plant Transport and ResponsesIncluded
Ecology, Evolution, and Classification
Covers population ecology, biodiversity, natural selection, and classification as tested in the A2 syllabus.
- 6.1Populations, Communities, and EcosystemsIncluded
- 6.2Biodiversity, Classification, and the Five KingdomsIncluded
- 6.3Natural Selection and EvolutionIncluded
- 6.4Conservation BiologyIncluded
Practical Skills, Data Analysis, and Exam Technique
Builds the experimental, statistical, and command-word skills needed to maximise marks across all assessed components.
- 7.1Planning and Conducting AS & A2 PracticalsIncluded
- 7.2Graph Plotting, Error Analysis, and Statistical TestsIncluded
- 7.3Interpreting Data-Response and Multiple-Choice QuestionsIncluded
- 7.4Command Words and Structured Question TechniqueIncluded
- 7.5Extended-Response and Essay Writing for Top Mark BandsIncluded
Who it's for
Is this you?
The A* Chaser
Already performing well but wants the precision and exam-technique edge that separates A from A* in extended-response and data questions.
The Private Candidate
Studying independently without classroom support and needs a fully structured, self-contained programme that covers every syllabus topic in the right sequence.
The International School Student
Attending a school where lesson time is limited or teaching quality is inconsistent, and needs reliable, syllabus-accurate instruction to fill the gaps.
The Home-schooler
Learning at home and needs a rigorous, teacher-led course that covers both the content and the practical skills component of the Cambridge 9700 exam.
The Exam-Technique Struggler
Understands the biology but consistently loses marks on structured questions — and needs to master command words, mark-scheme logic, and answer construction.
The Topic Gap Filler
Solid in some areas but has clear weak spots — molecular biology, respiration, or homeostasis — and needs focused, high-quality lessons to shore up those gaps before exams.
Questions
Frequently asked
Your teacher
A note from your teacher
Renstay
If you've ever read a mark scheme answer and thought, "I knew that — so why didn't I write it?" — I want you to know that frustration is completely normal, and it's exactly what this course is designed to fix.
A Level Biology is not short of content. From the molecular geometry of a polypeptide to the pressure-flow hypothesis in phloem transport, the syllabus demands breadth, depth, and precision all at once. Most students work hard. They read their notes, they attempt past papers, and they still find themselves a mark band or two short of where they know they should be. The gap is rarely about effort. It's about the connection between understanding a concept and being able to express it in the language Cambridge examiners actually reward.
That's the gap this course is built to close. Every lesson uses exact syllabus terminology — not because biology is about memorising words, but because precise language is how you demonstrate precise understanding. I'll walk you through the mechanisms you need to genuinely grasp: why sodium-potassium pumps create the resting potential, how the light-independent reactions are dependent on the light-dependent ones in ways that matter for exam questions, what Cambridge really means when it asks you to evaluate evidence for natural selection. We work through diagrams, data sets, extended-response scaffolds, and multiple-choice elimination strategies — not as separate bolt-ons, but as part of learning the biology itself.
I also know that many of you are studying without a teacher in the room — as private candidates, home-schoolers, or students in schools where A Level Biology support is thin. I've structured this course so that you have everything you need in one place, in a logical sequence that builds confidence step by step. You won't be left wondering what to study next or whether you've covered enough.
The goal isn't just to help you pass. It's to help you sit down in that exam hall and feel genuinely prepared — able to read a question you've never seen before and know how to approach it, because you understand the biology and you know how to show that understanding. That's what A and A* grades look like, and that's what we're working towards together. I'm glad you're here — let's get to work.
— Renstay
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- 7 modules, 35 lessons
- AI-adaptive lessons tuned to your level
- Quizzes & checkpoints to lock in progress
- Your own AI learning coach
- Learn on any device, at your pace
- Full access for as long as you're subscribed