Question

multiple choice question
a huge aggregate of carbon, hydrogen, oxygen, nitrogen, and many other atoms combined to produce characteristics, reactions, and products that make it the fundamental unit of life.

macromolecule
cell
dna molecule
protein

Explanation:

A cell is the fundamental unit of life. Macromolecules like DNA molecules and proteins are components within cells. They are made up of carbon, hydrogen, oxygen, nitrogen and other atoms, but they are not the fundamental unit of life.

Answer:

B. cell