NURSING EXAM QUESTIONS
BIOCHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which chemical elements make up the majority of living biological matter?
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Carbon
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MASS
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The chemical elements that make up the majority of the molecules of living organisms are oxygen (O), carbon (C), hydrogen (H) and nitrogen (N).
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Explanation:
Detailed explanation-1: -The acronym CHNOPS, which stands for carbon, hydrogen, nitrogen, oxygen, phosphorus, sulfur, represents the six most important chemical elements whose covalent combinations make up most biological molecules on Earth.
Detailed explanation-2: -Carbon, hydrogen, oxygen, and nitrogen are the most important elements. Small quantities of other elements are necessary for life. Carbon is the most abundant element in living matter.
Detailed explanation-3: -Common elemental building blocks of biological molecules: Carbon, Oxygen, Hydrogen, Nitrogen and Phosphorus.
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