NURSING EXAM QUESTIONS
BIOCHEMISTRY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Four most common elements that make up all living things are carbon, hydrogen,
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nitrogen, and iron.
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calcium, and phosphorus.
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oxygen, and nitrogen.
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oxygen, and iron.
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Explanation:
Detailed explanation-1: -There are 92 naturally occurring elements, each differing from the others in the number of protons and electrons in its atoms. Living organisms, however, are made of only a small selection of these elements, four of which-carbon (C), hydrogen (H), nitrogen (N), and oxygen (O)-make up 96.5% of an organism’s weight.
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