1) Beer. Yeast (Saccharomyces cerevisiae), once added to the wort, a liquid made of barley, hops, sugar and water, converts the sugar (substrate) in the wort to alcohol and carbon...
1 Answers 1 views1) Pickles. Cucumbers are fermented using lactic acid producing bacteria, giving pickles their sour taste and also preventing harmful strains of bacteria from taking hold. Microbes used: Enterobacter aerogenes, Lactobacillus...
1 Answers 1 viewsIt can mean two possible variants: - a culture don't use sugar and groth only with aminoacids from peptone. - a culture has already utilized sugar and proceeded to peptone...
1 Answers 1 viewsLet's have 100 ml of concentrated hydrochloric acid (HCl) solution (W = 36%, density = 1,18 g/ml)Then,W(HCl)= x g HCl / 100 ml of solution = x/118 g = 36%Hence...
1 Answers 1 viewsAcid fast bacteria stain pink using the dye Carbol-fuchsin due to a high concentration of mycolic acids in their cell wall. The mycolic acids form a thick, waxy layer that...
1 Answers 1 views