The name Nerys is of Welsh origin. The meaning of Nerys is lady modern. Nerys is generally used as a girl's name. It consists of 5 letters and 2 syllables and is pronounced Ne-rys.
Nitrogen is a constituent of molecules in every major pharmacological drug class, including antibiotics. Many drugs are mimics or prodrugs of natural nitrogen-containing signal molecules: for example, the organic nitrates nitroglycerin and nitroprusside control blood pressure by being metabolized to nitric oxide.itrogen is present in all known living organisms, in proteins, nucleic acids, and other molecules. It typically makes up around 4% of the dry weight of plant matter, and around 3% of the weight of the human body.
The prefix poly- means many and the prefix mono- means one. Therefore, polyatomic ions are composed of many atoms. Examples include: #NO_3^(-1)# and #PO_4^(-3)#. The nitrate ion #NO_3^(-1)# is composed of one nitrogen atoms and three oxygen atoms arranged with an imbalance of one extra electron.