Four elements always present in protein are oxygen, nitrogen, carbon, and ____
a. sulfur
b. niacin
c. hydrogen
d. barium
2007-04-27 06:23:33 · 12 answers · asked by kissesfromhvn807 2 in Science & Mathematics ➔ Biology
easy way to remember this is HONC ... these are the four most common elements found in nature Hydrogen, Oxygen, Nitrogen, and carbon... :)
2007-04-27 06:28:51 · answer #1 · answered by Anonymous · 0⤊ 0⤋
Hydrogen
2007-04-27 06:28:59 · answer #2 · answered by web-eagle 3 · 0⤊ 0⤋
C Hydrogen.
2007-04-27 06:26:44 · answer #3 · answered by Anonymous · 0⤊ 0⤋
hydrogen 78% nitrogen 21% oxygen 1% other i think ?
2007-04-27 06:27:43 · answer #4 · answered by Anonymous · 0⤊ 0⤋
oxygen is an element. as for proteins,the answer is hydrogen
2007-04-27 07:06:51 · answer #5 · answered by de bossy one 6 · 0⤊ 0⤋
C. hydrogen
2007-04-27 06:26:18 · answer #6 · answered by Anonymous · 0⤊ 0⤋
In protein is (c), hydrogen, too.
2007-04-27 06:27:52 · answer #7 · answered by ? 5 · 0⤊ 0⤋
hydrogen
2007-04-27 06:26:58 · answer #8 · answered by mf mf mf mf mf fmf mf mfmfmfmfmf 4 · 0⤊ 0⤋
hydrogen
2007-04-27 06:25:55 · answer #9 · answered by starrygirl 4 · 0⤊ 0⤋
c. hydrogen
2007-04-27 06:27:54 · answer #10 · answered by god knows and sees else Yahoo 6 · 0⤊ 0⤋