<span>repressors as well as by transcriptional activators.</span>
Radiation is used for X-rays, MRIS, any type of cancer killing.
Too much of radiation can be a dangerous thing... you could end up dying from a lot of exposure.
Answer:
Bakers use yeast as a leavening agent in baking bread and other bakery products.
The yeast ferments the sugar present in the dough and converts it into ethanol and carbon dioxide.
Glucose or sugar + bakers yeast → ethanol + carbon dioxide
Carbon dioxide causes the dough to rise whereas alcohol or ethanol formed usually evaporates during the baking process.
Thus, the given blanks can be correctly filled up by alcohol fermentation and carbon dioxide.