NEET Biology question

Not in NEET syllabus

Identify the elements which function as components of biomolecules. I. Hydrogen II. Magnesium III. Oxygen IV. Nitrogen

(A)Only IV
(B)Only II
(C)I, II, III and IV
(D)All except IICorrect

Answer: (D)

Solution

Essential elements that act as structural components of biomolecules (and hence of cells) are exemplified by carbon, hydrogen, oxygen and nitrogen, which form the backbone of carbohydrates, lipids, proteins and nucleic acids. Magnesium, in

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Question ID VK-112829