NURSING ANM AND GNM

NURSING EXAM QUESTIONS

NUTRITION

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Which chemical element is found in proteins, but not in carbohydrates or fats?

A	carbon
B	hydrogen
C	oxygen
D	nitrogen

Explanation:

Detailed explanation-1: -Nitrogen is an element invariably found in proteins but not in all carbohydrates and lipids.

Detailed explanation-2: -Nitrogen is in all amino acids and nucleotides, and therefore in all proteins and nucleic acids.

Detailed explanation-3: -In addition to carbon, hydrogen, and oxygen atoms, all proteins contain nitrogen and sulfur atoms, and many also contain phosphorus atoms and traces of other elements.

There is 1 question to complete.