Recall Pasteur's experiment on spontaneous generation. If he had just warmed the nutrient-rich broth, rather than boiled it, what would have been the likely outcome of his experiment? Cells would ________.a. have appeared in the swan-neck but not the straight-neck flask
b. not have appeared in either flask
c. have appeared in both flasks
d. have appeared in the straight-neck but not the swan-neck flask