QUIZAlcohol Metabolism Explorer
How quickly a person breaks down alcohol depends on two enzymes, ADH1B and ALDH2, and on the DNA that…
Topic
Cellular Energetics
Cellular energetics covers how organisms capture, convert, and spend energy, from photosynthesis and cellular respiration to the ATP cycle. Tracing electrons through these pathways shows how chemical energy is stored in bonds and released to power the work of a cell.
14 interactives
QUIZ
GAMEATP Cycle Game
ATP is the cell's short term energy currency. Attaching a phosphate to ADP stores energy in a new bond,…
QUIZCellular Energy and Thermodynamics
Living things run on a constant flow of energy. Cells break down fuel molecules to release it, then…
SIMElectron Transport Chain Simulator
The final stage of cellular respiration passes electrons from NADH and FADH2 down a chain of proteins in…
QUIZEndosymbiotic Theory Interactive
Mitochondria and chloroplasts were once free living bacteria that were swallowed by an ancestral cell…
LABEnzyme Environment Explorer
An enzyme is a protein whose folded shape forms an active site that fits a particular substrate, so…
LABEnzyme Lock and Key Interactive
Enzymes are proteins that speed up the chemical reactions life depends on, and each one only acts on a…
SIMLight Reactions Simulator
The light dependent reactions capture energy from sunlight and store it in a chemical form the cell can…
GAMEPhotosynthesis Electron Jumper
Photosynthesis begins when light strikes chlorophyll and lifts an electron to a higher energy level.…
QUIZPowerhouse (Mitochondria Simulator)
Mitochondria finish the job of pulling energy out of food. The citric acid cycle strips electrons from…
SONGPump Those Protons
Follow electrons through the mitochondrial electron transport chain to the proton gradient that makes…
QUIZRedOx Challenge
Photosynthesis and cellular respiration are, at heart, a long relay of electrons passed between…
QUIZSugar Factory (Photosynthesis Simulator)
Photosynthesis turns light energy into sugar. The light-dependent reactions in the thylakoid membrane…
LABYeast Respiration Lab
Cells release energy from sugar by respiration, but when oxygen runs short yeast switches to…