4. Which statement describes an exception to the cell
theory?
A) Plants and animals are made up of structural
units known as cells.
B) Mitochondria and chloroplasts contain genetic
material and can replicate.
C) All cells arise from preexisting cells.
D) The cell is the basic functional unit of all living
things.

The statement describes an exception to the cell theory - B) Mitochondria and chloroplasts contain genetic material and can replicate.

The cell theory is the theory that is given by German researchers Theodor Schwann, Matthias Schleiden, and Rudolph Virchow. This theory states three major principles:

All living organisms are composed of one or more cells.
The cell is the basic unit of structure and organization in organisms.
Cells arise from pre-existing cells which means cells divide and pass on hereditary information

energy flows within cells.

Thus, the statement describes an exception to the cell theory - B) Mitochondria and chloroplasts contain genetic material and can replicate.

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