the study of which structure was instrumental in the formulation of the modern cell theory?\nplant…

the study of which structure was instrumental in the formulation of the modern cell theory?\nplant cell\nanimal cell\ncell membrane\ndna molecule
Answer
Brief Explanations:
The study of plant and animal cells was crucial for the development of the cell - theory. The cell theory was formulated based on observations of these cells. The cell membrane and DNA molecule were discovered later and were not instrumental in the initial formulation of the modern cell theory.
Answer:
plant cell, animal cell