Nightingale Physiology Practice Test

Which of the following is not one of the major groups of organic substances in the human body?

Salts Proteins Lipids Nucleic acids

Correct Answer:

Salts

Explanation:

Organic substances in the body are carbon-containing macromolecules such as carbohydrates, proteins, lipids, and nucleic acids. Salts, on the other hand, are inorganic compounds formed from minerals and acids; they don’t have carbon-hydrogen backbones and aren’t classified among the major organic groups. So, salts do not belong to the main organic substance groups, even though they are essential as minerals and electrolytes that support bodily functions. Proteins, lipids, and nucleic acids are examples of these carbon-based organic macromolecules.

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