Which of These is Considered to Be the Smallest Unit

Question

Which of these is considered to be the smallest unit of life?
A)the nucleus
B)the mitochondrion
C)a plasmid
D)the cell
E)a prion

Accepted Answer

A cell is the smallest unit of life, as it is the basic unit of structure and function in all living organisms. While the other options (nucleus, mitochondrion, plasmid, and prion) are important components of cells or biological systems, they are not considered to be standalone units of life.