S
"(å²) 1. Substrate, 2. Svedberg unit, 3. Sulfur, 4. Entropy, 5. Bacterial colony of smooth morphology, 6. Period of DNA syntheis, 7. S configuration, 8. Sensitivity of a bacterial strain to a phage or an inhibitor, 9. Serine, 10. Thiouridine, 11. Spingomy