AP Biology Practice is an exam preparation app designed for students getting ready for AP Biology tests. The app provides a wide collection of AP Biology MCQs organized by major units, helping learners build conceptual understanding and improve test performance. With chapter-based practice and structured revision, students can study more effectively for classroom tests, competitive exams, and AP exam readiness.

This app focuses on MCQ-based practice for quick revision and exam-style question solving. Each topic is divided into clear units to support systematic learning.

Topics Covered in AP Biology Practice
Chemistry of Life

Water properties including cohesion, adhesion, and polarity
Macromolecules such as carbohydrates, proteins, lipids, and nucleic acids
Enzyme function and factors affecting enzyme activity
pH, buffers, and biological stability
Carbon-based molecules
ATP as the primary energy molecule

Cell Structure and Function

Prokaryotic and eukaryotic cell differences
Membrane transport including diffusion and osmosis
Cell communication and signaling pathways
Structure and roles of organelles
Surface area to volume ratio and cell size limitations

Cellular Energetics

Photosynthesis including light reactions and the Calvin cycle
Cellular respiration including glycolysis, Krebs cycle, and electron transport
ATP formation and energy conversion
Enzyme regulation
Fermentation processes

Cell Cycle and Division

Stages of the cell cycle
Mitosis and production of identical cells
Meiosis and genetic variation
Cell cycle checkpoints
Cancer and uncontrolled cell division
Apoptosis and programmed cell death

Heredity and Genetics

Mendelian inheritance laws
Punnett squares and probability
Non-Mendelian patterns including codominance and linkage
Chromosomal basis of inheritance
Genetic disorders and mutation effects
Pedigree analysis

Molecular Genetics

DNA structure and replication
Transcription and RNA formation
Translation and protein synthesis
Gene regulation and epigenetic control
Biotechnology including PCR and CRISPR

Evolution

Natural selection and adaptation
Genetic drift and gene flow
Speciation processes
Phylogenetic relationships
Hardy-Weinberg equilibrium

Ecology

Ecosystems and interactions
Energy flow and trophic levels
Cycles of carbon, nitrogen, and phosphorus
Population growth and carrying capacity
Community interactions including predat