As yeast ferments, the dough will double in size as carbon dioxide gas is produced by the yeast and as enzyme and pH changes take effect.

Question

Quizplus · Accepted Answer

Yeast fermentation produces carbon dioxide gas, which gets trapped in the dough's gluten network, causing it to rise. Additionally, enzymes activated during fermentation and changes in pH contribute to the dough's development and flavor.

As Yeast Ferments, the Dough Will Double in Size as Carbon