There is a large diversity in the chemical composition of astronomical objects such as planets, comets, circumstellar ...

However, keep in mind that 60% to 90% of the phosphorus found in seeds is in a stored form called phytic acid, or phytate, which humans cannot digest. Nevertheless, pumpkin and sunflower seeds can ...

In the late nineteenth century, a German biochemist found the nucleic acids, long-chain polymers of nucleotides, were made up of sugar, phosphoric acid, and several nitrogen-containing bases.