Question

what causes bread dough to rise​

Answer 1

Explanation:

Bread rises because yeast eats sugar and burps carbon dioxide, which gets trapped by the bread's gluten. ... Most recipes call for the dough to rise at least twice; this gives the yeast extra time to eat sugar and produce gas bubbles. The yeast keeps eating even as the bread is shaped into a pans and put in the hot oven.

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Answer 2

Answer:

The carbon dioxide gas produced by yeast during alcoholic fermentation causes bread dough to rise.

Explanation:

Yeast undergo alcoholic fermentation, during which ATP, carbon dioxide gas, and ethanol are produced.

In the diagram below, glycolysis is the first step and produces ATP and pyruvic acid , or pyruvate , which is converted to acetaldehyde by the enzyme pyruvate decarboxylase, which produces  

CO

2

. The acetaldehyde is converted to ethanol by the enzyme alcohol dehydrogenase.