According to south erie, all sales carry out the function needed to sustain life. that means all sales must contain one according to cell theory, all cells carry out the functions needed to sustain life. that means all cells must contain what?

Cell theory states that all the living organisms are made up of basic structural and functional units, cells. All cells divide and give rise to new cells. All the cells have similar chemical composition. The nuclei acid DNA present in the chromosomes helps in carrying hereditary information from generation to generation. So, in order to sustain life the cells must contain DNA either enclosed in the nucleus or freely floating in the cytoplasm.