AP Biology

Neuron Action Potential Simulator

Trigger an electrical stimulus on a neuron and watch the membrane potential graph trace typical Depolarization, Repolarization, and Hyperpolarization phases. Track the live states of Na+ and K+ ion channels.

ATP Synthesis & Chemiosmosis

Cell Membrane Transport

Cellular Respiration Explorer

Cladogram & Phylogenetic Tree

DNA Replication Fork

ELISA Assay Simulator

Enzyme Kinetics

Gel Electrophoresis

Hardy-Weinberg Equilibrium

Action of Hormones

Lac Operon Regulation