Which of these must occur during s phase of the cell cycle so that two daughter cells can be produced during m phase?
a the dna must be replicated. b the chromosomes must be joined. c the cytoplasm must be separated. d the cell membrane must be expanded

the unequal cytoplasmic division that  results  in  one egg  and three polar bodies ensures that a fertilized  egg has  ample nutrients  forits journey  to  the uterus.

those characteristics are cellular organization, reproduction, metabolism, homeostasis, heredity, response to stimuli, growth and development, and adaptation through evolution. some things, such as a virus, demonstrate only a few of these characteristics and are, therefore, not alive