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Expression of IdeasMediumExplaining a mechanism

Expression of Ideas practice question

While researching a topic, a student has taken the following notes: - Bread dough is left to 'prove' before baking. - During proving, yeast feeds on sugars in the dough and releases carbon dioxide. - The gas is trapped in the dough's gluten network and forms bubbles. - Baking sets the bubbles in place, giving bread its open texture.

The student wants to explain why dough is left to prove. Which choice most effectively uses relevant information from the notes to accomplish this goal?

  1. A. During proving, yeast feeds on the dough's sugars and releases carbon dioxide, which the gluten traps in bubbles that baking then sets, giving bread its open texture.Correct
  2. B. Dough is left to prove before baking.
  3. C. Yeast is a living organism.
  4. D. Bread has an open texture.

Answer: A. During proving, yeast feeds on the dough's sugars and releases carbon dioxide, which the gluten traps in bubbles that baking then sets, giving bread its open texture.

The gas, the trap, and the result.

Why the other answers are wrong

B. Dough is left to prove before baking.
Restates the practice.
C. Yeast is a living organism.
Not from the notes and no mechanism.
D. Bread has an open texture.
The result without the reason.

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