which of these elements is needed in addition to carbon, hydrogen and oxygen (1)- nitrogen,l (2)- phosphorus (3)- potassium (4)- calcium
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which of these elements is needed in addition to carbon, hydrogen and oxygen (1)- nitrogen,l (2)- phosphorus (3)- potassium (4)- calcium
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Answer:
Oxygen
Explanation:
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Verified answer
HEY A.R.M.Y!
Here is your answer:
Nitrogen is the element that is needed in addition to carbon, hydrogen and oxygen.
Explaination:
Proteins are composed of molecules called amino acids, and each amino acid contains four elements: hydrogen, oxygen, nitrogen and carbon.
So, the answer to the question is (i) Nitrogen.
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