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Meselson-Stahl Experiment
AP Biology · Semi-Conservative Replication
⛶ Fullscreen
Cesium Chloride Gradient (Centrifuge)
← 14-N (Light)
← Hybrid
← 15-N (Heavy)
Molecular Scale (DNA Population)
Current Generation:
G-0
Grown entirely in Heavy N-15 broth. Transferred to Light N-14 broth right now.
▶ Replicate (1 Gen)
↺ Reset Experiment
Live Commentary
Generation 0:
The starting bacteria all contain 100% Heavy ($^{15}N$) DNA. The centrifuge shows a single dense band at the bottom.