Roll sulfur

... by the acronym CHONPS b. vitamins c. nitrogen, phosphorus and sulfur d. small minerl requirements e. toxic substances 24. which type of ... "do my homework" ... I simply ASKED for help thats it .... :roll: and thanks again blcr11

See entire post

... the curly thing reminds me of...alpha helix...aww :roll: :lol: :evil: Selenocysteine is an amino acid that is present in several ... to cysteine, but with an atom of selenium taking the place of the usual sulfur. Proteins that include a selenocysteine residue are called selenoproteins. ...

See entire post