In 1839, Matthias Schleiden, a German botanist, published research showing that a cells nucleus plays a part in its reproduction. In 1858, Rudolf Virchow, a German biologist, published research showing that all cells come from preexisting cells. Which of the following best describes how the two scientists' discoveries influenced cell theory?
The two scientists' discoveries helped cell theory become more accurate
A
The two scientists' discoveries helped to simply cell theory,
С
The two scientists' discoveries helped to complicate future discoveries.
D
The two scientists' discoveries helped to debunk cell theory