helical
121James D. Watson — Infobox Scientist name = James Dewey Watson image width = 200px caption = James D. Watson birth date = birth date and age|1928|04|06 birth place = Chicago, Illinois,, U.S. residence = U.S., UK nationality = American field = molecular biologist… …
122Tesla coil — at Questacon the National Science and Technology center in Canberra, Australia Uses Application in educational demonstrations, novelty lighting, as well as music Inventor …
123DNA supercoil — Supercoiled structure of circular DNA molecules with low writhe. Note that the helical nature of the DNA duplex is omitted for clarity …
124Virus — This article is about the biological agent. For other uses, see Virus (disambiguation). For a generally accessible and less technical introduction to the topic, see Introduction to viruses. Viruses …
125Cinta magnética — Diferentes cintas magnéticas. La cinta magnética es un tipo de medio o soporte de almacenamiento de datos que se graba en pistas sobre una banda plástica con un material magnetizado, generalmente óxido de hierro o algún cromato. El tipo de… …
126Scientific method — …
127Lysozyme — single crystal Identifiers EC number 3.2.1.17 …
128Nuclear lamina — The nuclear lamina is a dense ( 30 to 100 nm thick) fibrillar network inside the nucleus of a eukaryotic cell. It is composed of intermediate filaments and membrane associated proteins. Besides providing mechanical support, the nuclear lamina… …
