The double-stranded twisted ladder-like molecular structure of DNA as determined by James Watson and Francis Crick at Cambridge, England, in 1953. It is commonly known as the double helix.
科学参考收录了60776条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。