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  1. Zygotic life cycle‏‎ (00:38, 26 January 2011)
  2. Zygote‏‎ (00:39, 26 January 2011)
  3. Zygospore‏‎ (00:39, 26 January 2011)
  4. Zygomycete‏‎ (00:40, 26 January 2011)
  5. Zone of maturation‏‎ (00:41, 26 January 2011)
  6. Zone of elongation‏‎ (00:41, 26 January 2011)
  7. Zoecium‏‎ (00:41, 26 January 2011)
  8. Zero population growth‏‎ (00:42, 26 January 2011)
  9. Z scheme‏‎ (00:42, 26 January 2011)
  10. Z line‏‎ (00:42, 26 January 2011)
  11. Yolk sac‏‎ (00:42, 26 January 2011)
  12. Yeast‏‎ (00:42, 26 January 2011)
  13. Xylem loading‏‎ (00:43, 26 January 2011)
  14. Xylem‏‎ (00:43, 26 January 2011)
  15. X-ray crystallography‏‎ (00:43, 26 January 2011)
  16. X-linked inheritance‏‎ (00:43, 26 January 2011)
  17. X-inactivation centre (Xic)‏‎ (00:44, 26 January 2011)
  18. Xenoestrogen‏‎ (00:44, 26 January 2011)
  19. Woody plant‏‎ (00:44, 26 January 2011)
  20. Wood‏‎ (00:45, 26 January 2011)
  21. Wild-type allele‏‎ (00:45, 26 January 2011)
  22. Whorls‏‎ (00:45, 26 January 2011)
  23. White matter‏‎ (00:45, 26 January 2011)
  24. Weathering‏‎ (00:46, 26 January 2011)
  25. Weak acid‏‎ (00:46, 26 January 2011)
  26. Waxy cuticle‏‎ (00:46, 26 January 2011)
  27. Wavelength‏‎ (00:46, 26 January 2011)
  28. Water vascular system‏‎ (00:47, 26 January 2011)
  29. V-snare‏‎ (00:48, 26 January 2011)
  30. Voltage-gated channel‏‎ (00:48, 26 January 2011)
  31. Volt‏‎ (00:48, 26 January 2011)
  32. Viviparous‏‎ (00:48, 26 January 2011)
  33. Viviparity‏‎ (00:49, 26 January 2011)
  34. Vitreous humour‏‎ (00:49, 26 January 2011)
  35. Vitamin‏‎ (00:50, 26 January 2011)
  36. Virus‏‎ (00:50, 26 January 2011)
  37. Virulent phage‏‎ (11:38, 26 January 2011)
  38. Virulence‏‎ (11:40, 26 January 2011)
  39. Viroid‏‎ (11:40, 26 January 2011)
  40. Viral vector‏‎ (11:41, 26 January 2011)
  41. Viral reproductive cycle‏‎ (11:42, 26 January 2011)
  42. Viral genome‏‎ (11:42, 26 January 2011)
  43. Viral envelope‏‎ (11:42, 26 January 2011)
  44. Villi‏‎ (11:43, 26 January 2011)
  45. Vibrios‏‎ (11:43, 26 January 2011)
  46. Vestigial structure‏‎ (11:44, 26 January 2011)
  47. Vertical evolution‏‎ (11:46, 26 January 2011)
  48. Vertebrate‏‎ (11:47, 26 January 2011)
  49. Vertebrae‏‎ (11:48, 26 January 2011)
  50. Venule‏‎ (11:48, 26 January 2011)
  51. Ventilation‏‎ (11:50, 26 January 2011)
  52. Veliger‏‎ (11:52, 26 January 2011)
  53. Vegetative growth‏‎ (11:53, 26 January 2011)
  54. Vegetal pole‏‎ (11:54, 26 January 2011)
  55. Vasotocin‏‎ (11:55, 26 January 2011)
  56. Vasodilation‏‎ (11:56, 26 January 2011)
  57. Vasoconstriction‏‎ (11:57, 26 January 2011)
  58. Vascular tissue‏‎ (11:58, 26 January 2011)
  59. Vascular plant‏‎ (11:58, 26 January 2011)
  60. Vascular cambium‏‎ (11:59, 26 January 2011)
  61. Vascular bundle‏‎ (11:59, 26 January 2011)
  62. Vaccination‏‎ (12:00, 26 January 2011)
  63. Vacuole‏‎ (12:00, 26 January 2011)
  64. Vagina‏‎ (12:01, 26 January 2011)
  65. Vaginal diaphragm‏‎ (12:01, 26 January 2011)
  66. Valence electron‏‎ (12:02, 26 January 2011)
  67. Variable region‏‎ (12:02, 26 January 2011)
  68. Abiotic‏‎ (12:04, 26 January 2011)
  69. Aboral‏‎ (12:04, 26 January 2011)
  70. Wall potential‏‎ (15:26, 26 January 2011)
  71. Uterus‏‎ (15:42, 26 January 2011)
  72. Abscisic acid‏‎ (16:44, 26 January 2011)
  73. Uterine cycle‏‎ (16:44, 26 January 2011)
  74. Urine‏‎ (16:45, 26 January 2011)
  75. Urinary system‏‎ (17:13, 26 January 2011)
  76. Urinary bladder‏‎ (17:14, 26 January 2011)
  77. Uric acid‏‎ (17:14, 26 January 2011)
  78. Urethra‏‎ (17:15, 26 January 2011)
  79. Ureter‏‎ (17:15, 26 January 2011)
  80. Uremia‏‎ (17:16, 26 January 2011)
  81. Urea‏‎ (17:16, 26 January 2011)
  82. Uracil‏‎ (17:17, 26 January 2011)
  83. Unsaturated‏‎ (17:17, 26 January 2011)
  84. Unsaturated fatty acid‏‎ (17:18, 26 January 2011)
  85. Unipotent‏‎ (17:18, 26 January 2011)
  86. Uniporter‏‎ (17:19, 26 January 2011)
  87. Uniform‏‎ (17:20, 26 January 2011)
  88. Umbrella species‏‎ (19:41, 26 January 2011)
  89. Ultimate causation‏‎ (19:42, 26 January 2011)
  90. Ubiquitin‏‎ (20:18, 26 January 2011)
  91. Type 1 diabetes mellitus‏‎ (20:18, 26 January 2011)
  92. Two-dimensional (2D) gel electrophoresis‏‎ (20:18, 26 January 2011)
  93. Two-component regulatory system:‏‎ (20:19, 26 January 2011)
  94. Turgor pressure‏‎ (20:19, 26 January 2011)
  95. Turgid‏‎ (20:20, 26 January 2011)
  96. Tunic‏‎ (20:20, 26 January 2011)
  97. Tumour-suppressor gene‏‎ (20:20, 26 January 2011)
  98. Tumour‏‎ (20:21, 26 January 2011)
  99. Tube feet‏‎ (20:21, 26 January 2011)
  100. Tube cell‏‎ (20:21, 26 January 2011)
  101. Tubal ligation‏‎ (20:21, 26 January 2011)
  102. T-snare‏‎ (20:22, 26 January 2011)
  103. Trypsin‏‎ (20:22, 26 January 2011)
  104. Tryglicerides‏‎ (20:22, 26 January 2011)
  105. True-breeding line‏‎ (20:22, 26 January 2011)
  106. Troponin‏‎ (20:23, 26 January 2011)
  107. Tropomyosin‏‎ (20:23, 26 January 2011)
  108. Trophic-level transfer efficiency‏‎ (20:23, 26 January 2011)
  109. Trochophore larva‏‎ (20:24, 26 January 2011)
  110. Trisomic‏‎ (20:24, 26 January 2011)
  111. Triploid‏‎ (20:24, 26 January 2011)
  112. Triploblastic‏‎ (20:25, 26 January 2011)
  113. Triplet‏‎ (22:14, 26 January 2011)
  114. Triiodothyronine‏‎ (22:16, 26 January 2011)
  115. Trichromatic colour vision‏‎ (22:16, 26 January 2011)
  116. Trichome‏‎ (22:16, 26 January 2011)
  117. Transverse tubules‏‎ (22:17, 26 January 2011)
  118. Transposition‏‎ (22:17, 26 January 2011)
  119. Transposable element‏‎ (22:18, 26 January 2011)
  120. Transporter‏‎ (22:18, 26 January 2011)
  121. Transpiration‏‎ (22:18, 26 January 2011)
  122. Transmembrane transport‏‎ (22:18, 26 January 2011)
  123. Transmembrane protein‏‎ (22:19, 26 January 2011)
  124. Transmembrane gradient‏‎ (22:19, 26 January 2011)
  125. Translocation‏‎ (22:19, 26 January 2011)
  126. Transitional form‏‎ (22:19, 26 January 2011)
  127. Transition state‏‎ (22:20, 26 January 2011)
  128. Transgenic‏‎ (22:20, 26 January 2011)
  129. Transfection‏‎ (22:21, 26 January 2011)
  130. Transepithelial transport‏‎ (22:21, 26 January 2011)
  131. Trans-effect‏‎ (22:21, 26 January 2011)
  132. Transduction‏‎ (22:21, 26 January 2011)
  133. Transcriptional start site‏‎ (22:22, 26 January 2011)
  134. Trait‏‎ (22:23, 26 January 2011)
  135. Traffic signal‏‎ (22:23, 26 January 2011)
  136. Tract‏‎ (22:23, 26 January 2011)
  137. Tracheophytes‏‎ (22:24, 26 January 2011)
  138. Tracheid‏‎ (22:24, 26 January 2011)
  139. Tracheary elements‏‎ (22:24, 26 January 2011)
  140. Tracheal system‏‎ (22:24, 26 January 2011)
  141. Totipotent‏‎ (22:25, 26 January 2011)
  142. Total peripheral resistance‏‎ (22:25, 26 January 2011)
  143. Total fertility rate‏‎ (22:25, 26 January 2011)
  144. Torus‏‎ (22:26, 26 January 2011)
  145. Tight junction‏‎ (22:27, 26 January 2011)
  146. Ti plasmid‏‎ (22:27, 26 January 2011)
  147. Thyroxine‏‎ (22:27, 26 January 2011)
  148. Thyroglobulin‏‎ (22:28, 26 January 2011)
  149. Thymine dimer‏‎ (22:28, 26 January 2011)
  150. Thylakoid membrane‏‎ (22:29, 26 January 2011)
  151. Thylakoid lumen‏‎ (22:29, 26 January 2011)
  152. Thrombocytes‏‎ (22:29, 26 January 2011)
  153. Threshold potential‏‎ (22:29, 26 January 2011)
  154. Threshold concentration‏‎ (22:30, 26 January 2011)
  155. Threatened species‏‎ (22:30, 26 January 2011)
  156. Thoracic breathing‏‎ (22:30, 26 January 2011)
  157. 30-nm fibre‏‎ (22:30, 26 January 2011)
  158. Thin filament‏‎ (22:31, 26 January 2011)
  159. Thigmotropism‏‎ (22:31, 26 January 2011)
  160. Thick filament‏‎ (22:31, 26 January 2011)
  161. Theropods‏‎ (22:31, 26 January 2011)
  162. Thermodynamics‏‎ (22:32, 26 January 2011)
  163. Theory‏‎ (22:32, 26 January 2011)
  164. Thalamus‏‎ (22:32, 26 January 2011)
  165. Tetrapod‏‎ (22:32, 26 January 2011)
  166. Tetraploid‏‎ (22:33, 26 January 2011)
  167. Tertiary structure‏‎ (22:33, 26 January 2011)
  168. Tertiary plastid‏‎ (22:34, 26 January 2011)
  169. Tertiary endosymbiosis‏‎ (22:34, 26 January 2011)
  170. Tertiary consumer‏‎ (22:34, 26 January 2011)
  171. Territory‏‎ (22:34, 26 January 2011)
  172. Terpenoids‏‎ (22:34, 26 January 2011)
  173. Terminator‏‎ (22:35, 26 January 2011)
  174. Termination stage‏‎ (22:35, 26 January 2011)
  175. Template‏‎ (22:35, 26 January 2011)
  176. Telophase‏‎ (22:35, 26 January 2011)
  177. Telomere‏‎ (22:36, 26 January 2011)
  178. Taxon‏‎ (22:37, 26 January 2011)
  179. Taxis‏‎ (22:37, 26 January 2011)
  180. Taste buds‏‎ (22:37, 26 January 2011)
  181. Taq polymerase‏‎ (22:38, 26 January 2011)
  182. Taproot system‏‎ (22:38, 26 January 2011)
  183. Tapetum lucidum‏‎ (22:39, 26 January 2011)
  184. Tagmata‏‎ (22:39, 26 January 2011)
  185. T cell‏‎ (22:39, 26 January 2011)
  186. Systole‏‎ (22:39, 26 January 2011)
  187. Systemic hypertension‏‎ (22:40, 26 January 2011)
  188. Systemic acquired resistance (SAR)‏‎ (22:41, 26 January 2011)
  189. Systematics‏‎ (22:41, 26 January 2011)
  190. Synergids‏‎ (22:41, 26 January 2011)
  191. Synaptic signalling‏‎ (22:41, 26 January 2011)
  192. Synaptic plasticity:‏‎ (22:42, 26 January 2011)
  193. Synaptic integration‏‎ (22:42, 26 January 2011)
  194. Synaptic cleft‏‎ (22:42, 26 January 2011)
  195. Symporter‏‎ (22:45, 26 January 2011)
  196. Symplastic transport‏‎ (22:45, 26 January 2011)
  197. Symplast‏‎ (22:45, 26 January 2011)
  198. Sympatry‏‎ (22:45, 26 January 2011)
  199. Sympathetic division‏‎ (22:48, 26 January 2011)
  200. Symbiotic‏‎ (22:49, 26 January 2011)
  201. Swimmeret‏‎ (22:49, 26 January 2011)
  202. Swim bladder‏‎ (22:49, 26 January 2011)
  203. Suspensor‏‎ (22:50, 26 January 2011)
  204. Suspension feeder‏‎ (22:50, 26 January 2011)
  205. Survivorship curve‏‎ (22:50, 26 January 2011)
  206. Surface area/volume (SA/V) ratio‏‎ (22:51, 26 January 2011)
  207. Supercoiling‏‎ (22:52, 26 January 2011)
  208. Sum rule‏‎ (22:52, 26 January 2011)
  209. Sugar source‏‎ (22:52, 26 January 2011)
  210. Sugar sink‏‎ (22:53, 26 January 2011)
  211. Substrates‏‎ (22:53, 26 January 2011)
  212. Subsidence zones‏‎ (22:53, 26 January 2011)
  213. Submetacentric‏‎ (22:54, 26 January 2011)
  214. Stylet‏‎ (22:54, 26 January 2011)
  215. Style‏‎ (22:54, 26 January 2011)
  216. Structural isomers‏‎ (22:54, 26 January 2011)
  217. Structural genomics‏‎ (22:55, 26 January 2011)
  218. Strong acid‏‎ (22:56, 26 January 2011)
  219. Stromatolite‏‎ (22:56, 26 January 2011)
  220. Stroma‏‎ (22:56, 26 January 2011)
  221. Stroke volume (SV)‏‎ (22:56, 26 January 2011)
  222. Striated muscle‏‎ (22:57, 26 January 2011)
  223. Stretch receptor‏‎ (22:57, 26 January 2011)
  224. Strand‏‎ (22:57, 26 January 2011)
  225. Termination codon‏‎ (22:58, 26 January 2011)
  226. Stigma‏‎ (22:59, 26 January 2011)
  227. Sticky ends‏‎ (22:59, 26 January 2011)
  228. Steroid receptor‏‎ (22:59, 26 January 2011)
  229. Steroid‏‎ (23:00, 26 January 2011)
  230. Sternum‏‎ (23:01, 26 January 2011)
  231. Stereoisomers‏‎ (23:01, 26 January 2011)
  232. Stem‏‎ (23:02, 26 January 2011)
  233. Statoliths‏‎ (23:02, 26 January 2011)
  234. Statocyst‏‎ (23:03, 26 January 2011)
  235. Standing crop‏‎ (18:56, 27 January 2011)
  236. Standard metabolic rate (SMR)‏‎ (18:57, 27 January 2011)
  237. Sporopollenin‏‎ (18:58, 27 January 2011)
  238. Sporophyte‏‎ (18:59, 27 January 2011)
  239. Sporic life cycle‏‎ (18:59, 27 January 2011)
  240. Spontaneous mutation‏‎ (19:00, 27 January 2011)
  241. Spongocoel‏‎ (19:02, 27 January 2011)
  242. Splicing‏‎ (19:03, 27 January 2011)
  243. Spliceosome‏‎ (19:03, 27 January 2011)
  244. Spirochaetes‏‎ (19:04, 27 January 2011)
  245. Spirilli‏‎ (19:04, 27 January 2011)
  246. Spiral cleavage‏‎ (19:05, 27 January 2011)
  247. Spinneret‏‎ (19:06, 27 January 2011)
  248. Spinal cord‏‎ (19:07, 27 January 2011)
  249. Spicules‏‎ (19:07, 27 January 2011)
  250. Spermatophytes‏‎ (19:08, 27 January 2011)
  251. Spermatids‏‎ (19:09, 27 January 2011)
  252. Sperm storage‏‎ (19:10, 27 January 2011)
  253. Spemann's organizer‏‎ (19:11, 27 January 2011)
  254. Specific heat‏‎ (19:12, 27 January 2011)
  255. Specific (acquired) immunity‏‎ (19:12, 27 January 2011)
  256. Species-area effect‏‎ (19:13, 27 January 2011)
  257. Species interactions‏‎ (19:14, 27 January 2011)
  258. Species concepts‏‎ (19:14, 27 January 2011)
  259. Speciation‏‎ (19:15, 27 January 2011)
  260. Southern blotting‏‎ (19:16, 27 January 2011)
  261. Source pool‏‎ (19:16, 27 January 2011)
  262. Sorting signal‏‎ (19:16, 27 January 2011)
  263. Soredia‏‎ (19:17, 27 January 2011)
  264. Somites‏‎ (19:17, 27 January 2011)
  265. Somatic nervous system‏‎ (19:18, 27 January 2011)
  266. Somatic embryogenesis‏‎ (19:18, 27 January 2011)
  267. Somatic cell‏‎ (19:19, 27 January 2011)
  268. Soma‏‎ (19:19, 27 January 2011)
  269. Solution‏‎ (19:20, 27 January 2011)
  270. Solute potential‏‎ (19:21, 27 January 2011)
  271. Soil horizon‏‎ (19:22, 27 January 2011)
  272. Smooth muscle‏‎ (19:22, 27 January 2011)
  273. Smooth endoplasmic reticulum (smooth ER)‏‎ (19:23, 27 January 2011)
  274. Small intestine‏‎ (19:23, 27 January 2011)
  275. Small effector molecule‏‎ (19:24, 27 January 2011)
  276. Slow-oxidative fibre‏‎ (19:24, 27 January 2011)
  277. Slow fibre‏‎ (19:25, 27 January 2011)
  278. Slow block to polyspermy‏‎ (19:25, 27 January 2011)
  279. SLOSS debate‏‎ (19:26, 27 January 2011)
  280. Sliding filament mechanism‏‎ (19:26, 27 January 2011)
  281. Skeleton‏‎ (19:27, 27 January 2011)
  282. Skeletal muscle‏‎ (19:27, 27 January 2011)
  283. Single-factor cross‏‎ (19:29, 27 January 2011)
  284. Simple translocation‏‎ (19:30, 27 January 2011)
  285. Simple Mendelian inheritance‏‎ (19:30, 27 January 2011)
  286. Silent mutation‏‎ (19:30, 27 January 2011)
  287. Silencer‏‎ (19:31, 27 January 2011)
  288. Signal transduction‏‎ (19:31, 27 January 2011)
  289. Signal transduction pathway‏‎ (19:31, 27 January 2011)
  290. Signal recognition particle (SRP)‏‎ (19:32, 27 January 2011)
  291. Signal‏‎ (19:32, 27 January 2011)
  292. Sign stimulus‏‎ (19:33, 27 January 2011)
  293. Sieve-tube elements‏‎ (19:34, 27 January 2011)
  294. Sieve plate‏‎ (19:35, 27 January 2011)
  295. Sieve plate pore‏‎ (19:35, 27 January 2011)
  296. Shotgun DNA sequencing‏‎ (19:36, 27 January 2011)
  297. Short-day plant‏‎ (19:37, 27 January 2011)
  298. Short tandem repeat sequences (STRs)‏‎ (19:37, 27 January 2011)
  299. Shoot meristem‏‎ (19:37, 27 January 2011)
  300. Shivering thermogenesis‏‎ (19:38, 27 January 2011)
  301. Shell‏‎ (19:39, 27 January 2011)
  302. Shattering‏‎ (19:39, 27 January 2011)
  303. Shared primitive character‏‎ (19:39, 27 January 2011)
  304. Shared derived character‏‎ (19:40, 27 January 2011)
  305. Shannon diversity index (HS)‏‎ (19:40, 27 January 2011)
  306. Sexual selection‏‎ (19:40, 27 January 2011)
  307. Sexual reproduction‏‎ (19:41, 27 January 2011)
  308. Sex-influenced inheritance‏‎ (19:41, 27 January 2011)
  309. Sex pili‏‎ (19:41, 27 January 2011)
  310. Sex linked‏‎ (19:42, 27 January 2011)
  311. Sex chromosomes‏‎ (19:42, 27 January 2011)
  312. Setae‏‎ (19:43, 27 January 2011)
  313. Set point‏‎ (19:43, 27 January 2011)
  314. Sere‏‎ (19:43, 27 January 2011)
  315. Septum (plural: septa)‏‎ (19:44, 27 January 2011)
  316. Sepal‏‎ (19:44, 27 January 2011)
  317. Sensory transduction‏‎ (19:45, 27 January 2011)
  318. Sensory receptor‏‎ (19:45, 27 January 2011)
  319. Sensory neuron‏‎ (19:45, 27 January 2011)
  320. Sensor kinase‏‎ (19:46, 27 January 2011)
  321. Sense‏‎ (19:46, 27 January 2011)
  322. Senescent‏‎ (19:46, 27 January 2011)
  323. Seminiferous tubule‏‎ (19:47, 27 January 2011)
  324. Seminal vesicles‏‎ (19:47, 27 January 2011)
  325. Semifluid‏‎ (19:48, 27 January 2011)
  326. Semiconservative mechanism‏‎ (19:48, 27 January 2011)
  327. Semelparity‏‎ (19:49, 27 January 2011)
  328. Self-splicing‏‎ (19:49, 27 January 2011)
  329. Self-pollination‏‎ (19:50, 27 January 2011)
  330. Selfish DNA hypothesis‏‎ (19:50, 27 January 2011)
  331. Self-incompatibility (SI)‏‎ (19:50, 27 January 2011)
  332. Self-fertilization‏‎ (19:51, 27 January 2011)
  333. Selective breeding‏‎ (19:52, 27 January 2011)
  334. Segregate‏‎ (19:53, 27 January 2011)
  335. Segment-polarity gene‏‎ (19:53, 27 January 2011)
  336. Segmentation gene‏‎ (19:54, 27 January 2011)
  337. Segmentation‏‎ (19:54, 27 January 2011)
  338. Segment‏‎ (19:55, 27 January 2011)
  339. Seed plant‏‎ (19:55, 27 January 2011)
  340. Seed coat‏‎ (19:56, 27 January 2011)
  341. Seed‏‎ (19:56, 27 January 2011)
  342. Secretion‏‎ (19:57, 27 January 2011)
  343. Secondary xylem‏‎ (19:58, 27 January 2011)
  344. Secondary structure‏‎ (19:58, 27 January 2011)
  345. Secondary spermatocytes‏‎ (19:59, 27 January 2011)
  346. Secondary production‏‎ (19:59, 27 January 2011)
  347. Secondary plastid‏‎ (20:00, 27 January 2011)
  348. Secondary phloem‏‎ (20:00, 27 January 2011)
  349. Secondary oocyte‏‎ (20:00, 27 January 2011)
  350. Secondary metabolite‏‎ (20:01, 27 January 2011)
  351. Secondary metabolism‏‎ (20:01, 27 January 2011)
  352. Secondary immune response‏‎ (20:02, 27 January 2011)
  353. Secondary growth‏‎ (20:02, 27 January 2011)
  354. Secondary endosymbiosis‏‎ (20:02, 27 January 2011)
  355. Secondary consumer‏‎ (20:03, 27 January 2011)
  356. Secondary cell wall‏‎ (20:03, 27 January 2011)
  357. Secondary active transport‏‎ (20:03, 27 January 2011)
  358. Second messenger‏‎ (20:04, 27 January 2011)
  359. Seaweed‏‎ (20:04, 27 January 2011)
  360. Sclerenchyma tissue‏‎ (20:05, 27 January 2011)
  361. Sclereid‏‎ (20:05, 27 January 2011)
  362. Sclera‏‎ (20:05, 27 January 2011)
  363. Scientific method‏‎ (20:06, 27 January 2011)
  364. Science‏‎ (20:06, 27 January 2011)
  365. Scavenger‏‎ (20:08, 27 January 2011)
  366. Scanning electron microscopy (SEM)‏‎ (20:08, 27 January 2011)
  367. Scaffold‏‎ (20:09, 27 January 2011)
  368. Satiety signal‏‎ (20:10, 27 January 2011)
  369. Satiety‏‎ (20:10, 27 January 2011)
  370. Sarcoplasmic reticulum‏‎ (20:10, 27 January 2011)
  371. Sarcoma‏‎ (20:11, 27 January 2011)
  372. Root system‏‎ (20:13, 27 January 2011)
  373. Root pressure‏‎ (20:13, 27 January 2011)
  374. Root meristem‏‎ (20:14, 27 January 2011)
  375. Root hair‏‎ (20:14, 27 January 2011)
  376. Root cortex‏‎ (20:14, 27 January 2011)
  377. Root‏‎ (20:15, 27 January 2011)
  378. Rods‏‎ (20:15, 27 January 2011)
  379. RNase‏‎ (20:15, 27 January 2011)
  380. RNA-induced silencing complex (RISC)‏‎ (20:16, 27 January 2011)
  381. RNA world‏‎ (20:16, 27 January 2011)
  382. RNA‏‎ (20:17, 27 January 2011)
  383. RNA processing‏‎ (20:17, 27 January 2011)
  384. Rivet hypothesis‏‎ (20:18, 27 January 2011)
  385. Ring canal‏‎ (20:18, 27 January 2011)
  386. Right-left axis‏‎ (20:19, 27 January 2011)
  387. Ribosomal initiation factor‏‎ (20:20, 27 January 2011)
  388. Ribose‏‎ (20:20, 27 January 2011)
  389. Ribonucleic acid (RNA)‏‎ (20:21, 27 January 2011)
  390. Rhodopsin‏‎ (20:21, 27 January 2011)
  391. Rhizomorphs‏‎ (20:21, 27 January 2011)
  392. Rhizobia‏‎ (20:22, 27 January 2011)
  393. Rhabdom‏‎ (20:22, 27 January 2011)
  394. Reverse transcriptase‏‎ (20:22, 27 January 2011)
  395. Retrovirus‏‎ (20:22, 27 January 2011)
  396. Retina‏‎ (20:23, 27 January 2011)
  397. Restriction sites‏‎ (20:23, 27 January 2011)
  398. Restriction point‏‎ (20:24, 27 January 2011)
  399. Restoration ecology‏‎ (20:24, 27 January 2011)
  400. Resting potential‏‎ (20:24, 27 January 2011)
  401. Response regulator‏‎ (20:25, 27 January 2011)
  402. Response element‏‎ (20:25, 27 January 2011)
  403. Respiratory system‏‎ (20:26, 27 January 2011)
  404. Respiratory pigment‏‎ (20:26, 27 January 2011)
  405. Respiratory distress syndrome of the newborn‏‎ (20:26, 27 January 2011)
  406. Respiratory chain‏‎ (20:27, 27 January 2011)
  407. Respiratory centres‏‎ (20:27, 27 January 2011)
  408. Resource partitioning‏‎ (20:27, 27 January 2011)
  409. Resonance energy transfer‏‎ (20:27, 27 January 2011)
  410. Resolution‏‎ (20:28, 27 January 2011)
  411. Resistance gene (R gene)‏‎ (20:28, 27 January 2011)
  412. Sigma factor‏‎ (20:29, 27 January 2011)
  413. Resistance (R)‏‎ (19:53, 28 January 2011)
  414. Reproductive success‏‎ (19:54, 28 January 2011)
  415. Reproductive isolation‏‎ (19:55, 28 January 2011)
  416. Reproductive isolating mechanisms‏‎ (19:57, 28 January 2011)
  417. Repressor‏‎ (19:58, 28 January 2011)
  418. Repressible operon‏‎ (19:59, 28 January 2011)
  419. Replication fork‏‎ (20:00, 28 January 2011)
  420. Replication‏‎ (20:01, 28 January 2011)
  421. Replica plating‏‎ (20:02, 28 January 2011)
  422. Repetitive sequence‏‎ (20:04, 28 January 2011)
  423. Renal corpuscle‏‎ (20:38, 28 January 2011)
  424. Release factor‏‎ (20:38, 28 January 2011)
  425. Relative water content (RWC)‏‎ (20:38, 28 January 2011)
  426. Relative abundance‏‎ (20:39, 28 January 2011)
  427. Regulatory transcription factor‏‎ (20:39, 28 January 2011)
  428. Regulatory sequence‏‎ (20:39, 28 January 2011)
  429. Regulatory gene‏‎ (20:40, 28 January 2011)
  430. Regeneration‏‎ (20:40, 28 January 2011)
  431. Refractory‏‎ (20:40, 28 January 2011)
  432. Reflex arc‏‎ (20:40, 28 January 2011)
  433. Redox reaction‏‎ (20:42, 28 January 2011)
  434. Recombination frequency‏‎ (20:42, 28 January 2011)
  435. Recombinant vector‏‎ (20:43, 28 January 2011)
  436. Recombinant DNA technology‏‎ (20:43, 28 January 2011)
  437. Recombinant‏‎ (20:44, 28 January 2011)
  438. Reciprocal translocation‏‎ (20:44, 28 January 2011)
  439. Recessive‏‎ (20:44, 28 January 2011)
  440. Receptor-mediated endocytosis‏‎ (20:44, 28 January 2011)
  441. Receptor tyrosine kinase‏‎ (20:45, 28 January 2011)
  442. Receptor potential‏‎ (20:45, 28 January 2011)
  443. Reading frame‏‎ (20:46, 28 January 2011)
  444. Reaction mechanism‏‎ (20:46, 28 January 2011)
  445. Reaction centre‏‎ (20:47, 28 January 2011)
  446. Reabsorption‏‎ (20:48, 28 January 2011)
  447. Ray-finned fish‏‎ (20:48, 28 January 2011)
  448. Rate-limiting step‏‎ (20:48, 28 January 2011)
  449. Random sampling error‏‎ (20:49, 28 January 2011)
  450. Random genetic drift‏‎ (20:49, 28 January 2011)
  451. Random‏‎ (20:49, 28 January 2011)
  452. Ram ventilation‏‎ (20:49, 28 January 2011)
  453. Rain shadow‏‎ (20:50, 28 January 2011)
  454. Radula‏‎ (20:50, 28 January 2011)
  455. Radioisotope dating‏‎ (20:50, 28 January 2011)
  456. Radioisotope‏‎ (20:51, 28 January 2011)
  457. Radicle‏‎ (20:51, 28 January 2011)
  458. Radiata‏‎ (20:51, 28 January 2011)
  459. Radial loop domain‏‎ (20:52, 28 January 2011)
  460. Radial cleavage‏‎ (20:52, 28 January 2011)
  461. Quantitative trait‏‎ (20:53, 28 January 2011)
  462. Pyramid of production‏‎ (20:53, 28 January 2011)
  463. Pyramid of numbers‏‎ (20:54, 28 January 2011)
  464. Pyramid of biomass‏‎ (20:54, 28 January 2011)
  465. Purine‏‎ (20:54, 28 January 2011)
  466. Pupil‏‎ (20:54, 28 January 2011)
  467. Pupa‏‎ (20:55, 28 January 2011)
  468. Punnett square‏‎ (20:56, 28 January 2011)
  469. Punctuated equilibrium‏‎ (20:56, 28 January 2011)
  470. Pulse-chase experiment‏‎ (20:57, 28 January 2011)
  471. Pulmonary hypertension‏‎ (20:57, 28 January 2011)
  472. Pulmonary circulation‏‎ (20:57, 28 January 2011)
  473. Pulmocutaneous circulation‏‎ (20:58, 28 January 2011)
  474. Pteridophytes‏‎ (20:58, 28 January 2011)
  475. Proximate cause‏‎ (20:59, 28 January 2011)
  476. Proximal convoluted tubule‏‎ (20:59, 28 January 2011)
  477. Provirus‏‎ (20:59, 28 January 2011)
  478. Proventriculus‏‎ (20:59, 28 January 2011)
  479. Protozoa‏‎ (21:00, 28 January 2011)
  480. Proton-motive force‏‎ (21:02, 28 January 2011)
  481. Protonephridia‏‎ (21:02, 28 January 2011)
  482. Protoderm‏‎ (21:03, 28 January 2011)
  483. Protobiont‏‎ (21:03, 28 January 2011)
  484. Spirochete‏‎ (14:02, 30 January 2011)
  485. Protista‏‎ (19:50, 30 January 2011)
  486. Protist‏‎ (19:50, 30 January 2011)
  487. Proteomics‏‎ (19:50, 30 January 2011)
  488. Proteoglycan‏‎ (19:51, 30 January 2011)
  489. Protein–protein interactions‏‎ (19:51, 30 January 2011)
  490. Protein subunit‏‎ (19:52, 30 January 2011)
  491. Protein phosphatase‏‎ (19:52, 30 January 2011)
  492. Protein kinase cascade‏‎ (19:53, 30 January 2011)
  493. Protein kinase‏‎ (19:53, 30 January 2011)
  494. Protein‏‎ (19:54, 30 January 2011)
  495. Proteasome‏‎ (19:55, 30 January 2011)
  496. Prosthetic group‏‎ (19:56, 30 January 2011)
  497. Prostate gland‏‎ (19:56, 30 January 2011)
  498. Prosimian‏‎ (19:57, 30 January 2011)
  499. Proplastid‏‎ (19:57, 30 January 2011)
  500. Prophase‏‎ (19:57, 30 January 2011)

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