Cells must contain DNA is not one of the main components of the cell theory.
The cell theory constitutes one of the basic principles of biology, it is the set of postulates or principles that conclude in the integral concept of the cell, these are:
- All living things originate through cells. Cells do not arise spontaneously, but come from previous ones.
- The cell is the structural unit of living matter and one cell can be sufficient to constitute an organism.
- Absolutely all vital functions revolve around cells or their immediate contact.
The cell is the physiological unit of life, therefore each cell is an open system, which exchanges matter and energy with its environment.
Therefore, we can conclude that cell must contain DNA is not one of the main components of the cell theory.
Learn more about the cell theory here: https://brainly.com/question/11652373
