Assertion: phosphorus's role | /r/HasProperty | key
Facets:
Source sentences:
text: Inorganic phosphorus plays a key role in biological molecules such as DNA and RNA where it forms part of those molecules' molecular backbones.
text: In addition, phosphorus plays key roles in regulation of gene transcription, activation of enzymes, maintenance of normal pH in extracellular fluid, and intracellular energy storage.
text: Phosphorus is an essential element for all living organisms, as it plays a key role in most life processes.
text: Phosphorus also plays a key role in metabolism (the conversion of calories and oxygen to energy), muscle contraction, heart rhythm, and the transmission of nerve signals.