Question

question 22 of 41
what are the four types of organic molecules that make up all living things on earth?
□ atoms
□ carbohydrates
□ nucleic acids
□ lipids
□ proteins

Explanation:

The four major classes of organic molecules essential to all living organisms are carbohydrates (energy source/structure), nucleic acids (genetic material), lipids (energy storage/membranes), and proteins (structural/functional roles). Atoms are not organic molecules but building blocks of molecules.

Answer:

B. carbohydrates, C. nucleic acids, D. lipids, E. proteins