4. In the fermentation activity, how will you determine if the yeast is performing fermentation?

Without oxygen present, fermentation occurs. The product of fermentation is a smaller amount of ATP and alcohol (ethanol is a form of alcohol). You can see the products in the graph of sample B. Sample B was not given oxygen (anaerobic) and therefore performed fermentation.

you look it up and do some stuff while you do that like sit down and eat a pop tart

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;