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Question
The bread or idli dough rises because of ______.
Options
heat
grinding
growth of yeast cells
kneading
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Solution
The bread or idli dough rises because of growth of yeast cells.
Explanation:
The yeast cells grow, which causes the bread or idli dough to rise. Yeast cells secrete specific enzymes. Some enzymes transform the complex sugars found in these foods into simple sugars like glucose. Other enzymes induce glucose to ferment into alcohol and carbon dioxide, resulting in the rising of bread or idli dough.
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