Respuesta :
Answer:
d. Cells are the basic unit of structure for all organisms, and all cells come from existing cells.
Cells are the basic unit of structure for all organisms, and all cells come from existing cells.
Describes cell theory?
The cell theory states that all living organisms are composed of cells which are the basic unit of life and all life come from preexisting life. All living organisms are made up of cells i.e. unicellular and multicellular
So we can conclude that option D is the correct answer.
Learn more about cell here: https://brainly.com/question/13123319
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