Yeast makes things rise so when yeast is added then the cheese explodes into circles and it makes holes in your cheese (Swiss cheese)
Most are made using bakers yeast as leavening, however some loaves (called "sourdoughs") are made without any added yeast whatsoever.
No, not all bread contains yeast. Some breads, like unleavened bread, are made without yeast. Yeast is used in many bread recipes to help the dough rise and create a light, fluffy texture, but there are also breads that are made without yeast, such as flatbreads or quick breads.
a yeast dough uses yeast and a quick bread uses baking powder or baking soda.
Baking breads, brewing beer, and making wine. All rely on some form of yeast.
No, yeast bread does not cause cancer. However, some individuals have a rare disease that causes them to be unable to digest the wheat that yeast breads are made from.
There is no yeast at all in enriched flour. Enriched flour has a few specific nutrients added to replace some of the nutrients lost when the bran and germ are removed from whole wheat to produce white flour. Yeast must be added to enriched flour if it is used to make bread. See the Wikipedia article linked below for additional information.
Swiss cheese does not typically contain yeast as part of its primary ingredients. The fermentation process for Swiss cheese primarily involves lactic acid bacteria, which help develop its flavor and characteristic holes. Yeast may be present in some cheese-making processes, but it is not a standard ingredient in traditional Swiss cheese.
Whether "most" breads have sucrose as such is impossible to say. All breads have starches, which are broken down into sugars as they are digested. Many bread recipes include some form of sugar to encourage the yeast to rise. Many other bread recipes do not.
Some effective alternatives for yeast in baking recipes include baking powder, baking soda, sourdough starter, and buttermilk. These ingredients can help leaven the dough and create a similar texture to yeast-based breads.
Even though some articles state that only aged or ripened cheese contain yeast, most sources indicate that all cheese does. Here's a good source of foods to avoid in Related Links. Also watch out for these ingredients on labels: Vegemite, Promite, Bovril, Marmite, Cenovis, Oxo. They are derived from yeast. If you're planning to go on a totally yeast-free diet, it's best if you check with the manufacturer.
Flour, sugar, eggs, baking soda, salt. There is no yeast in a quick bread.
Particular bacteria are added to the cheese which produce Carbon Dioxide bubbles while it is maturing. It is added by the cheese maker by choice.