A test tube filled with sugar and yeast made a balloon fill with gas. what is a valid conclusion?

a) yeast cells use sugar to make CO2 by anaerobic respiration
b) yeast cells use water to produce CO2 through photosynthesis
c) yeast cells use O2 to make CO2 through anaerobic respiration


Ans: a) yeast cells use sugar to make CO2 by anaerobic respiration

Biology & Microbiology

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