Within limits, the longer the adenine tail is, the larger is its footprint on the substrate, and the lower the totaldensity of DNA strands.
在一定范围内,腺嘌呤尾越长,其在底物面上的“足迹”越长,DNA链的总密度越低。
3
They can also measure the geometry of space. That allows them to deduce the totaldensity of energy and matter in the universe and infer the amount of dark energy.