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AP ExamUC A-G · Section DUC Honors · +1.0 GPAMay 12, 2026

AP Biology
Life's Blueprint

AP Bio: The Science of Living Systems

The most comprehensive agentic AP Biology course. From molecular genetics to ecology — master every Big Idea, ace every FRQ type, and score a 5 — guided by Dr. Maya Chen and SofAI.

Start with Dr. Maya
AP Resources
5
Score Target
Quick LinksCollegeBoard AP Biology VRS AP Resources AP Seminar Exemplar ↗
Exam: May 12, 2026
Exam Blueprint

Four Section Types · MC + FRQ

🔵

Multiple Choice — Single Select

Section I · Part A
40%90 min (shared)~48 questions
  • › Diagrams, graphs, and experimental data to interpret
  • › Tests all 4 Big Ideas (EVO, ENE, IST, SYI)
  • › ~40% recall, ~60% application and analysis

Score 5 Tip: Practice data interpretation daily — the AP Bio exam is 70% graphs, experiments, and scenarios. Draw it, label it, connect it to a Big Idea.

🟣

Multiple Choice — Multi-select & Grid-in

Section I · Part B
10%90 min (shared)~12 questions + grid-ins
  • › Multi-select: choose exactly 2 correct answers — partial credit is NOT given
  • › Grid-in: calculate a numerical answer (chi-square, Hardy-Weinberg, rates)
  • › High reward: multi-select questions are worth more per question

Score 5 Tip: For multi-select, eliminate wrong answers first, then pick the 2 that are BOTH defensible. If you're only 100% sure of 1, don't guess the second — it cancels the point.

🟠

Long FRQ

Section II · Long
25-30%90 min (shared)2 FRQs
  • › FRQ 1: Usually experimental design — design a controlled experiment, predict results, graph data
  • › FRQ 2: Biological process analysis — explain mechanism, make predictions, connect to Big Ideas
  • › Each FRQ has ~8 parts — answer EVERY part for maximum points

Score 5 Tip: For experimental design FRQs: always state your hypothesis, name the independent AND dependent variable, describe your control group, and explain what you expect to see and WHY.

🟡

Short FRQ

Section II · Short
20-25%90 min (shared)4 FRQs
  • › 4 short FRQs (~4 points each): data analysis, conceptual explanation, mathematical calculation, visual analysis
  • › Answer is typically 1-3 sentences — be precise and use the AP Biology vocabulary
  • › Connect your answer to the underlying biological process

Score 5 Tip: Short FRQ answers are graded by keyword. Write 'natural selection' not 'survival of the fittest.' Write 'concentration gradient' not 'difference in concentration.' Use the textbook vocabulary precisely.

Score Distribution (2024)

Where Students Land

~260,000 students take AP Biology annually. It's one of the most popular AP science courses — but also one of the hardest to score 5.

5
Extremely Qualified
← Your target14%
4
Well Qualified
22%
3
Qualified
27%
2
Possibly Qualified
22%
1
No Recommendation
15%

Score 5 Roadmap

Your point targets for the May 12 exam

🔵

Multiple Choice Target: ≥ 68% (~41 of 60 questions correct)

🧪

Long FRQ 1 Target: 10 / 10 (full experimental design with graph)

📊

Long FRQ 2 Target: 10 / 10 (full mechanism analysis)

🧬

Short FRQ Target: 4 / 4 each (precise vocabulary, complete answers)

CollegeBoard CED Aligned

Eight AP Biology Units

🧪
UNIT 18–11%

Chemistry of Life

Expand ›

Key Topics

  • Water's properties (cohesion, adhesion, polarity, specific heat)
  • Macromolecules (carbohydrates, lipids, proteins, nucleic acids)
  • Enzymes (activation energy, substrate specificity, inhibition)
  • pH and buffers

Key Terms

enzyme
protein catalyst that lowers activation energy
substrate
molecule that binds to enzyme active site
denaturation
loss of protein shape and function
hydrophobic
water-fearing (nonpolar)
buffer
solution that resists pH change
monomer
building block of a polymer
FRQ Practice Prompt

Short FRQ practice: A scientist adds increasing temperature to an enzyme-substrate solution and measures reaction rate. The rate increases to 37°C then drops sharply at 45°C. Explain the molecular mechanism behind this curve. What would happen if you add a competitive inhibitor at 37°C?

Practice with Dr. Maya →

Curated Video Lessons

Properties of Water — AP Biology
content

Properties of Water — AP Biology

Bozeman Science11 min
Macromolecules — Biological Molecules
content

Macromolecules — Biological Molecules

Khan Academy14 min
Enzymes — Crash Course Biology #2
review

Enzymes — Crash Course Biology #2

Crash Course10 min
🦠
UNIT 210–13%

Cell Structure and Function

Expand ›

Key Topics

  • Prokaryotic vs. eukaryotic cells
  • Organelle function (mitochondria, chloroplast, ER, Golgi, nucleus)
  • Cell membrane structure (fluid mosaic model)
  • Membrane transport (diffusion, osmosis, active transport, endocytosis, exocytosis)

Key Terms

plasma membrane
phospholipid bilayer surrounding the cell
organelle
specialized membrane-bound structure
osmosis
diffusion of water across a selectively permeable membrane
tonicity
relative solute concentration of two solutions
endosymbiosis
theory that mitochondria and chloroplasts evolved from engulfed prokaryotes
vesicle
small membrane-bound sac for transport
FRQ Practice Prompt

Design an experiment to test whether plant cells in a high-salt solution undergo plasmolysis. Identify your independent variable, dependent variable, and control. Describe what you would observe under a microscope.

Practice with Dr. Maya →

Curated Video Lessons

Eukaryotic Cell Tour — Bozeman Science
overview

Eukaryotic Cell Tour — Bozeman Science

Bozeman Science13 min
Osmosis and Cell Transport
content

Osmosis and Cell Transport

Amoeba Sisters12 min
Cell Transport — AP Biology
practice

Cell Transport — AP Biology

Khan Academy9 min
⚡
UNIT 312–16%

Cellular Energetics

Expand ›

Key Topics

  • Photosynthesis (light reactions in thylakoid + Calvin cycle in stroma)
  • Cellular respiration (glycolysis → pyruvate oxidation → Krebs cycle → ETC)
  • ATP synthesis (chemiosmosis)
  • Free energy and ΔG, Fermentation (lactic acid and alcoholic)

Key Terms

ATP
adenosine triphosphate, primary cellular energy currency
NADH
electron carrier in cellular respiration
chlorophyll
pigment that absorbs light energy
stroma
fluid-filled space in chloroplast where Calvin cycle occurs
chemiosmosis
ATP synthesis via H+ gradient through ATP synthase
ΔG
change in free energy (negative = spontaneous)
FRQ Practice Prompt

Long FRQ practice: You are investigating the rate of photosynthesis in Elodea aquatic plants. Design an experiment to measure the effect of light intensity on oxygen production rate. Include: hypothesis, independent/dependent variables, controls, procedure, and predicted results graph.

Practice with Dr. Maya →

Curated Video Lessons

Photosynthesis — Bozeman Science
content

Photosynthesis — Bozeman Science

Bozeman Science15 min
Cellular Respiration — Bozeman Science
content

Cellular Respiration — Bozeman Science

Bozeman Science17 min
ATP & Respiration — Crash Course Biology
review

ATP & Respiration — Crash Course Biology

Crash Course13 min
📡
UNIT 410–15%

Cell Communication and Cell Cycle

Expand ›

Key Topics

  • Signal transduction (reception → transduction → response)
  • G protein-coupled receptors, Tyrosine kinase receptors
  • Cell cycle (G1, S, G2, M phases), Mitosis stages
  • Cyclins and cell cycle checkpoints, Apoptosis vs. cancer

Key Terms

ligand
signal molecule that binds to receptor
second messenger
small molecule that relays signal inside cell (e.g., cAMP)
cyclin
protein that regulates CDK to control cell cycle progression
apoptosis
programmed cell death
checkpoint
regulatory point that pauses cell cycle
proto-oncogene
normal gene that can become cancer-causing oncogene
FRQ Practice Prompt

Short FRQ practice: A mutation prevents a cell's G1 checkpoint from functioning correctly. Predict what effect this would have on cell division. How might this mutation lead to cancer? Connect your answer to the roles of tumor suppressor genes and oncogenes.

Practice with Dr. Maya →

Curated Video Lessons

Cell Signaling — Bozeman Science
content

Cell Signaling — Bozeman Science

Bozeman Science12 min
The Cell Cycle — Bozeman Science
content

The Cell Cycle — Bozeman Science

Bozeman Science11 min
Cancer — Crash Course Biology
application

Cancer — Crash Course Biology

Crash Course14 min
🧬
UNIT 58–11%

Heredity

Expand ›

Key Topics

  • Meiosis (crossing over, independent assortment, reduction division)
  • Mendelian genetics (dominance, incomplete dominance, codominance)
  • Chi-square analysis
  • Sex-linked inheritance, Non-Mendelian genetics (polygenic, epistasis, maternal effect)

Key Terms

meiosis
cell division that produces haploid gametes
crossing over
exchange of chromosome segments during meiosis I (increases genetic variation)
independent assortment
Mendel's 2nd law — alleles of different genes segregate independently
chi-square
statistical test to determine if observed ratios differ from expected by chance
linked genes
genes on the same chromosome that tend to be inherited together
epistasis
one gene masks or modifies expression of another
FRQ Practice Prompt

In peas, purple flower (P) is dominant over white (p), and tall plant (T) is dominant over short (t). A PpTt plant is crossed with a pptt plant. Predict the phenotypic ratios. A student counts 120 offspring: 34 purple-tall, 29 purple-short, 31 white-tall, 26 white-short. Run a chi-square test (χ² = Σ[(O-E)²/E]) to determine if the results support independent assortment.

Practice with Dr. Maya →

Curated Video Lessons

Meiosis — Bozeman Science
content

Meiosis — Bozeman Science

Bozeman Science14 min
Heredity — Crash Course Biology
review

Heredity — Crash Course Biology

Crash Course11 min
Chi-Square Test — Khan Academy
math

Chi-Square Test — Khan Academy

Khan Academy8 min
📜
UNIT 612–16%

Gene Expression and Regulation

Expand ›

Key Topics

  • DNA replication (semi-conservative, leading/lagging strand, Okazaki fragments)
  • Transcription (promoter, RNA polymerase, mRNA processing)
  • Translation (ribosomes, codons, tRNA, amino acid chain)
  • Gene regulation in prokaryotes (lac operon) and eukaryotes (enhancers, silencers, chromatin remodeling), Mutations, RNA interference, Epigenetics

Key Terms

codon
sequence of 3 mRNA nucleotides that codes for one amino acid
promoter
DNA sequence where RNA polymerase binds to begin transcription
operon
prokaryotic gene expression unit with shared promoter and operator
intron
non-coding RNA sequence removed during mRNA processing
exon
coding RNA sequence retained in mature mRNA
epigenetics
heritable changes in gene expression without DNA sequence change (methylation, acetylation)
FRQ Practice Prompt

A student is studying the lac operon in E. coli. Under what conditions is the operon active (transcribing)? Under what conditions is it inactive? Predict what would happen if there was a mutation in the operator that prevented the repressor from binding. How does this compare to eukaryotic gene regulation?

Practice with Dr. Maya →

Curated Video Lessons

DNA Replication — Bozeman Science
content

DNA Replication — Bozeman Science

Bozeman Science10 min
Transcription and Translation — Crash Course
content

Transcription and Translation — Crash Course

Crash Course12 min
Gene Regulation — Bozeman Science
advanced

Gene Regulation — Bozeman Science

Bozeman Science13 min
🦎
UNIT 712–16%

Natural Selection and Evolution

Expand ›

Key Topics

  • Hardy-Weinberg equilibrium (5 conditions + equation p² + 2pq + q² = 1)
  • Natural selection (directional, stabilizing, disruptive)
  • Genetic drift (bottleneck, founder effect)
  • Speciation (allopatric, sympatric), Phylogenetics (cladograms, parsimony), Evidence for evolution

Key Terms

Hardy-Weinberg equilibrium
allele frequencies remain constant in absence of evolutionary forces
genetic drift
random change in allele frequency (most impactful in small populations)
allopatric speciation
speciation via geographic isolation
reproductive isolation
inability to interbreed (prezygotic or postzygotic)
clade
group sharing common ancestor
convergent evolution
unrelated species develop similar traits due to similar selective pressures
FRQ Practice Prompt

Long FRQ practice: In a population of moths, 36% have the dark (melanic) phenotype. Assuming Hardy-Weinberg equilibrium, calculate: (a) frequency of the dark allele, (b) frequency of heterozygotes. Then explain what would happen to allele frequencies over 10 generations if industrial pollution killed all light-colored moths. Name the type of selection acting.

Practice with Dr. Maya →

Curated Video Lessons

Hardy-Weinberg Equilibrium — Bozeman Science
math

Hardy-Weinberg Equilibrium — Bozeman Science

Bozeman Science12 min
Natural Selection — Crash Course Biology
content

Natural Selection — Crash Course Biology

Crash Course11 min
Speciation and Phylogenetics — Bozeman Science
advanced

Speciation and Phylogenetics — Bozeman Science

Bozeman Science10 min
🌿
UNIT 810–15%

Ecology

Expand ›

Key Topics

  • Population ecology (exponential vs. logistic growth, carrying capacity K, life tables)
  • Community ecology (competition, predation, mutualism, keystone species, succession)
  • Ecosystem ecology (energy flow through trophic levels, biogeochemical cycles: C, N, P, H₂O)
  • Biodiversity and conservation, Climate change impacts on ecosystems

Key Terms

carrying capacity (K)
maximum population size an environment can sustainably support
keystone species
species whose impact on ecosystem is disproportionate to its abundance
trophic level
position in food chain (producer, primary consumer, secondary consumer, etc.)
biogeochemical cycle
movement of elements (C, N, P) through biotic and abiotic components
primary succession
ecological succession beginning on bare substrate with no soil
eutrophication
excess nutrients cause algal blooms → oxygen depletion
FRQ Practice Prompt

Short FRQ practice: A lake is experiencing eutrophication due to agricultural runoff. Describe the step-by-step process by which excess phosphorus leads to fish kills. Include the roles of producers, decomposers, and dissolved oxygen in your answer. Propose one management strategy to reduce eutrophication.

Practice with Dr. Maya →

Curated Video Lessons

Population Ecology — Bozeman Science
content

Population Ecology — Bozeman Science

Bozeman Science13 min
Population Dynamics — Khan Academy AP Biology
math

Population Dynamics — Khan Academy AP Biology

Khan Academy10 min
Ecology — Crash Course Biology
review

Ecology — Crash Course Biology

Crash Course12 min
50% of Total Score

FRQ Mastery Suite

AP Biology's FRQ section includes long experimental design questions that require drawing graphs — this is where the exam is won or lost.

FRQ Coach →
🧪~10-12.5%
Section II · Long

Experimental Design Long FRQ

Long FRQ · Most Common · 90 min (shared)

Design a controlled experiment to test a biological hypothesis. Usually involves a living system (plants, bacteria, enzymes) and requires: hypothesis, variables, control, procedure, and predicted results as a graph.

Scoring Criteria
· Hypothesis: testable, directional prediction
· Variables: clearly identified IV, DV, and controlled variables
· Control: valid experimental control group described
· Procedure: step-by-step, reproducible, mentions sample size and replication
· Graph: labeled axes with units, correct curve shape, title
Score 5 Strategy
Write your HYPOTHESIS first using 'if...then' format before anything else
Clearly state your Independent Variable (what you change) and Dependent Variable (what you measure)
Always include and describe a CONTROL group — explain what it controls for
Describe your procedure in enough detail that someone else could replicate it exactly
Draw your predicted graph with fully labeled axes, units, a title, and correct curve shape — connect prediction to biology
Model Opener

Hypothesis: If [independent variable], then [dependent variable will change in specific direction], because [biological mechanism]. Independent variable: [X]. Dependent variable: [Y]. Control group: [what control represents].

📊~10-12.5%
Section II · Long

Biological Process Analysis Long FRQ

Long FRQ · Mechanism-Based · 90 min (shared)

Analyze how a biological process works, make predictions about perturbations, and connect to a Big Idea. Often involves a scenario with modified organisms or experimental conditions.

Scoring Criteria
· Process: accurate step-by-step explanation of mechanism
· Prediction: logical, connected to the mechanism explained
· Evidence: connects claim to data or biological principle
· Connection: links to a second biological concept or Big Idea
Score 5 Strategy
Read the entire scenario before writing — identify which Big Idea is being tested (EVO/ENE/IST/SYI)
Explain the mechanism step-by-step — graders award points for specific biological steps
Make a clear, directional prediction: 'X will increase/decrease because...'
Connect your answer explicitly to a Big Idea — this earns connection points
Answer EVERY part of every sub-question — even a partial answer earns partial credit
Model Opener

The process of [mechanism] occurs when [condition]. First, [step 1]. Then [step 2], because [biological reason]. If [perturbation], then [predicted outcome], because [mechanism].

📈~5-6%
Section II · Short

Data Analysis Short FRQ

Short FRQ · Data/Graph · 90 min (shared)

Interpret a graph, table, or experimental data set. Answer 3-4 specific questions about trends, calculations, and explanations.

Scoring Criteria
· Trend identification: states direction AND magnitude
· Calculation: correct math shown with units
· Explanation: connects data to biological mechanism
· Anomaly: can explain unexpected data points
Score 5 Strategy
Describe trends with direction AND magnitude — not just 'it went up,' say 'it increased by 40%'
Always show your calculations and include units in numerical answers
Connect every trend to a biological mechanism — why did the data change?
When you see an anomaly, explain it — this demonstrates higher-order thinking
Model Opener

According to the data, [trend description]. Between [X1] and [X2], the [dependent variable] [increased/decreased] by [amount/percentage], suggesting that [biological explanation].

🧬~5-6%
Section II · Short

Conceptual Short FRQ

Short FRQ · Conceptual · 90 min (shared)

Explain a biological concept, make a prediction, or describe how a structure relates to its function. 1-3 sentences per part.

Scoring Criteria
· Accuracy: uses correct AP Biology vocabulary
· Completeness: addresses all parts of the prompt
· Precision: doesn't include contradictory information (penalized!)
· Connection: links to Big Idea (EVO/ENE/IST/SYI)
Score 5 Strategy
Use precise AP Biology vocabulary — graders award points for keywords
Address ALL parts of the prompt — missing one part means missing those points
Do NOT include contradictory statements — AP Biology penalizes contradictions
Connect to a Big Idea (EVO/ENE/IST/SYI) whenever possible for connection points
Model Opener

The [structure/process] functions to [role], because [mechanism]. This relates to the Big Idea of [EVO/ENE/IST/SYI] because [connection].

Curated for Score 5

Practice Tests & Resources

🏛
OFFICIALFREE

CollegeBoard AP Biology

Official CED, unit guides, sample FRQs, and scoring guidelines.

Open resource
📂
OFFICIALFREE

Past AP Biology FRQs (2013–2024)

Every past FRQ with scoring guidelines. Practice at least 3 full sets under timed conditions.

Open resource
🎥
HIGHLY RECOMMENDEDFREE

Bozeman Science (Paul Andersen)

The #1 AP Biology YouTube channel. Paul Andersen covers every unit, every lab, every skill with crystal clarity. Essential.

Open resource
📺
CONTENT REVIEWFREE

Crash Course Biology

40-episode series covering all AP Bio content. Watch at 1.25x for review, 1x for new concepts.

Open resource
🐛
VISUAL LEARNINGFREE

Amoeba Sisters

Excellent visual explanations of genetics, cell processes, and ecology. Great for visual learners.

Open resource
📚
COMPREHENSIVEFREE

Fiveable AP Biology

Complete course review, unit summaries, FRQ practice, and live study sessions.

Open resource
🎯
FREE PRACTICEFREE

Khan Academy AP Biology

Free practice questions organized by AP unit. Use alongside Bozeman for concept reinforcement.

Open resource
📝
PRACTICE MCQ

Albert.io AP Biology

High-quality AP-style multiple choice practice. Excellent for mimicking the actual exam experience.

Open resource
AI-Powered Progress

16-Week Score 5 Study Plan

Weeks 1–4

Phase 1: Foundation — Chemistry, Cell Structure, Energetics

  • Read Campbell Biology Ch. 1-10 for units 1-3
  • Watch all Bozeman Science videos for Units 1-3
  • Daily: one HHMI BioInteractive graph-reading exercise
  • FRQ practice: one short FRQ on cell structure per week
Weeks 5–8

Phase 2: Information Systems — Cell Signaling, Heredity, Gene Expression

  • Deep dive: meiosis animations, DNA replication model, gene regulation diagrams
  • Master Hardy-Weinberg calculations cold (practice 3 problems per session)
  • FRQ practice: one experimental design FRQ per week (timed: 25 min)
  • Watch Bozeman Science DNA/gene expression playlists
Weeks 9–12

Phase 3: Evolution, Ecology, and FRQ Mastery

  • Read all Ecology and Evolution units with emphasis on population math
  • Practice chi-square calculations until automatic
  • Write 2 long FRQs per week under timed conditions (25 min each)
  • Complete 3 full AP past exams (90 min MC + 90 min FRQ)
Weeks 13–16

Phase 4: Full Exam Simulation

  • One full timed practice exam per week
  • Review every wrong MC answer with Dr. Maya (SofAI chat)
  • Memorize all 12 required AP Biology labs
  • Final review: Big Ideas connections chart (how do EVO/ENE/IST/SYI connect?)
Official & Curated

AP Resources Hub

🏛
Official Source

CollegeBoard AP Biology

Official course description, exam format, sample questions, and scoring guidelines.

Visit AP Central →
📚
The VR School

VRS AP Resources Center

All VR School AP course resources, study guides, and score submission guidance.

Open AP Resources →
⭐
Student Exemplar

AP Seminar Exemplar by Jiang

See the standard every VRS student aspires to — and the path to getting there.

View Exemplar →
Agentic AI Tutoring

Your Score 5 AI Tutors

Dr. Maya Chen is your AP Biology expert — every FRQ, scoring rubric, and exam strategy. SofAIconnects Biology to every other subject you're studying.

🧪 Walk me through how to design a perfect AP Bio experimental design FRQ📊 Explain the Hardy-Weinberg equation and give me a practice problem⚡ I always confuse photosynthesis and cellular respiration — help me master both🧬 Give me a timed short FRQ practice question on gene regulation and grade my answer
🌟 Next Level

Your Biology Skills Are an Academic Superpower — Use Them in AP Seminar

AP Biology builds exactly the skills AP Seminar demands: evidence-based argumentation, experimental reasoning, and data analysis. See how Jiang combined these disciplines to build an outstanding portfolio recognized at the national level.

View AP Seminar ExemplarExplore AP Seminar →
🎓
🔬

Ready to Score a 5 in AP Biology?

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WASC Accredited · UC A-G Approved · CollegeBoard Aligned · Exam: May 12, 2026

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