Having so much water might also slow or halt the movement of building blocks of life, such as carbon and phosphorus (the backbone of DNA), into oceans. (sciencenews.org)
The raw protein provides the most basic of building blocks for maintaining muscle mass, which can disappear rapidly for a professional athlete who is training heavily. (thehealthyhomeeconomist.com)
But can plants become more widely used as building blocks of ubiquitous plastics? (scientificamerican.com)