read and research each senario 1. choose the correct answer 2. justify why you chose that as the correct answer

a major step in the discovery of enzymes came in the 19th century wen Hans and Edward Buchner attempted to preserve nonliving extracts made from ground and pressed yeast cells by adding sugar in order to pickle the extracts and prevent the growth of spoilage microorganism. Which of the following assumptions were they most likely making.
a. yeast extracts could not metabolize sugar
b. no microoganism could enter the extracts
c. the temperature was appropriate for yeast growth
d. yeast extracts contain proteins and nucleic acids
e yeast extracts destroy sugar.