Pasteur Made All of the Following Observations Concerning the Fermentation

Multiple Choice

Pasteur made all of the following observations concerning the fermentation of grape juice EXCEPT:

A) yeast can grow with or without oxygen.
B) yeast cells can grow and reproduce in grape juice.
C) yeast can grow in sealed or open flasks of grape juice.
D) pasteurization kills yeast to prevent spoilage of grape juice.
E) bacteria produce acid in grape juice.