What are the 4 major elements of amino acids?
A. Iron, Sulphur, Silicon and Potassium
B. Helium, Lithium, Beryllium and Boron
C. Plutonium, Uranium, Prometheum and Neon
D. Carbon, Hydrogen, Oxygen and Nitrogen
Answer: Option D
This Question Belongs to Chemistry GK Chapter Wise >> Organic Chemistry
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