Carbon, hydrogen, oxygen, and nitrogen are the four most common elements in living things. Which statement BEST describes the function of these elements within an organism?

Question

a
The elements are the most stable elements found on Earth.
b
The elements make up carbohydrates, lipids, proteins, and nucleic acids.
c
The elements are produced by organisms as they undergo cellular processes.
d
The elements are the result of organisms breaking down larger elements in food.

Answer 1

The statement that BEST describes the function of carbon, hydrogen, oxygen, and nitrogen within an organism is:

b. The elements make up carbohydrates, lipids, proteins, and nucleic acids.

This statement accurately reflects the role of these elements as fundamental building blocks of the essential macromolecules that constitute living organisms.