When Making Bread,you First "Proof" the Yeast by Mixing with Sugar

question 34

Multiple Choice

When making bread,you first "proof" the yeast by mixing with sugar in lukewarm water.Assuming that the yeast are alive,what happens next and why?

• A) The water will become cloudy as the flagellated yeast cells swim around.
• B) The yeast will germinate and start to form a mycelium.
• C) Bubbles form as the yeast ferment the sugar and release carbon dioxide.
• D) Bubbles form as the yeast produce sugar and release oxygen.
• E) Nothing could happen, since yeast are not living organisms.

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