Question

which of the following elements are most abundant in biomolecules? (choose 4)
a carbon
b iodine
c nitrogen
d hydrogen
e fluorine
f oxygen

Explanation:

Biomolecules (carbohydrates, proteins, nucleic acids, lipids) primarily consist of carbon, hydrogen, oxygen, and nitrogen as the most abundant elements.

Answer:

A. Carbon, C. Nitrogen, D. Hydrogen, F. Oxygen