AP Biology Virtual Labs

20 interactive experiments in Biology.

Cell Structure 3D
Freeintermediate

Cell Structure 3D

Interactive 3D exploration of eukaryotic cell organelles and their functions

~30 min
cell structureorganelles
Cellular Respiration (Detailed)
Freeadvanced

Cellular Respiration (Detailed)

Glycolysis, Krebs cycle, and oxidative phosphorylation step by step

~25 min
cellular respirationglycolysis
Cellular Respiration & ATP Synthesis
Freeadvanced

Cellular Respiration & ATP Synthesis

How cells harvest energy from glucose

~20 min
cellular respirationATP
DNA Double Helix & Base Pairing
Freeintermediate

DNA Double Helix & Base Pairing

The molecule that carries life's blueprint

~15 min
DNAdouble helix
DNA Replication (Detailed)
Freeadvanced

DNA Replication (Detailed)

Helicase, primase, DNA polymerase, and leading/lagging strand synthesis

~25 min
DNA replicationhelicase
Ecological Succession
Freeintermediate

Ecological Succession

Primary and secondary succession: from bare rock to climax community

~20 min
ecological successionprimary succession
Enzyme Kinetics & Michaelis-Menten
Freeadvanced

Enzyme Kinetics & Michaelis-Menten

How enzymes speed up reactions

~18 min
enzyme kineticsMichaelis-Menten
Evidence of Evolution
Freeintermediate

Evidence of Evolution

Phylogenetic trees, homologous structures, and fossil record analysis

~25 min
evolutionphylogenetic tree
Hardy-Weinberg Equilibrium
Freeintermediate

Hardy-Weinberg Equilibrium

Allele frequencies, genotype ratios, and conditions for genetic equilibrium

~20 min
Hardy-Weinbergallele frequency
Immune System
Freeadvanced

Immune System

Innate and adaptive immunity: antigens, antibodies, and immunological memory

~25 min
immune systeminnate immunity
Meiosis & Genetic Variation
Freeadvanced

Meiosis & Genetic Variation

Sexual reproduction and the origin of diversity

~18 min
meiosiscrossing over
Cell Membrane & Transport
Freeintermediate

Cell Membrane & Transport

How cells control what enters and exits

~15 min
cell membraneosmosis
Mitosis: Cell Division & the Cell Cycle
Freeintermediate

Mitosis: Cell Division & the Cell Cycle

How one cell becomes two identical daughters

~15 min
mitosiscell cycle
Natural Selection & Population Genetics
Freeintermediate

Natural Selection & Population Genetics

Darwin's engine of evolution

~20 min
natural selectionevolution
Neuron & Action Potential
Freeadvanced

Neuron & Action Potential

The electrical language of the nervous system

~18 min
neuronaction potential
Photosynthesis: Light Reactions
Freeadvanced

Photosynthesis: Light Reactions

Photosystems I & II, electron transport chain, and ATP synthesis

~25 min
photosynthesislight reactions
Photosynthesis: Light & Calvin Cycle
Freeadvanced

Photosynthesis: Light & Calvin Cycle

Capturing sunlight to build sugars

~18 min
photosynthesisCalvin cycle
Population Dynamics
Freeintermediate

Population Dynamics

Lotka-Volterra predator-prey model and population oscillations

~20 min
population dynamicsLotka-Volterra
Protein Synthesis (3D)
Freeadvanced

Protein Synthesis (3D)

Transcription and translation from DNA to functional protein

~30 min
protein synthesistranscription
Protein Synthesis: Transcription & Translation
Freeadvanced

Protein Synthesis: Transcription & Translation

From DNA code to functional protein

~18 min
protein synthesistranscription