Definition of tae kwon do for English Language Learners. : a style of fighting that originated in Korea and that uses kicks and punches but no weapons. Britannica.com: Encyclopedia article about tae kwon do.
It is also used in the baking process as a leavening agent; yeast releasing gas into their environment results in the spongy-like texture of breads and cakes. Because of its role in fermentation, humans have known about and used Saccharomyces cerevisiae for a long time.
Yeast is a very strong biological fermerter, when added to dough it will break carbohydrate into sugars and further to Co2 and other ingredients and ethanol (ethyl alcohol). Co2 will make bread rise. just now. Asker's rating. Report Abuse. A process known as glycolysis (better known as fermentation), allows they yeast to get energy by splitting a glucose molecule and converting it into ethanol (alcohol) and CO2 (gas which causes bread to rise).