Cells and membranes
Connect cell structure, transport, and signaling to function.
Understand cells, genetics, metabolism, and biological evidence through guided lessons and active practice.
A connected Biology I course for college, AP/IB, and pre-health learners. Available for iPhone and iPad; the app itself currently lists English as its language.

Move through 18 connected course areas and 96 guided lessons. Practice with 768 questions that ask you to interpret diagrams, experiments, mechanisms, and data. Incorrect answers explain the reasoning and let you try again.
Sixteen Explore tools let you work with models such as the Genetics Workbench, Membrane Transport Lab, Meiosis Explorer, and Gene Expression Explorer. Progress and Exam Review help you decide what to revisit.
Connect cell structure, transport, and signaling to function.
Follow enzymes, cellular respiration, and photosynthesis.
Explore meiosis, genetics, DNA replication, and gene expression.
Interpret experiments, biotechnology, genomics, and development.
Use the app alongside your course or for independent review. Choose a topic that matches what you are studying now.
Screenshots from the App Store listing. Features and appearance may change with updates.



It is designed for college Biology I, AP/IB, and pre-health learners, as well as anyone seeking an introduction to biology.
Topics include cells, membranes, metabolism, genetics, gene expression, evolution of biological systems, and experimental reasoning.
No account is required. Your learning progress stays on your device.
The official listing currently offers the app on iPhone and iPad. Check the App Store for compatibility and current purchase details.
For current device compatibility, availability, and purchase terms, see the official App Store listing.