搜索结果: 1-2 共查到“理学 new dimension”相关记录2条 . 查询时间(0.138 秒)
Researchers report on new dimension of marine cyanobacteria（图）
marine cyanobacteria new dimension
2014/3/17
Marine cyanobacteria are the tiny ocean plants that form the base of the ocean's food chain. Other organisms feed on them and are nourished by the oxygen they provide.
Scientists have long known that DNA is arranged in a double helix. But if the double helix did not fold further, each cell's genome would be two meters long — far too large to fit into the nucleus of ...