Question

The standardization of cell medium and the development of cellular clones was greatly influential in scientific research mainly because_____

A. it made it possible for scientists to replicate each other's experiments and prove the validity by reproducing the results
B. it made a lot of money for biotechnology companies because it was an easy way to create vast amounts of Hela cells
C. George Gey and his lab team worked endlessly to meet the needs of researchers
D. it convinced medical researchers that cell cultures could be used to study various diseases and develop important vaccines

Answer 1

Through process of elimination I would think it is D