Maltose Is a Disaccharide Formed from Two Units of D-Glucose $\beta$

Maltose is a disaccharide formed from two units of D-Glucose. The production of maltose from germinating cereal grains (such as barley) is called malting, which is the first step of the brewing process. During germination, the concentration of amylases, which are the enzymes producing maltose from starch, is maximal. Maltose is then consumed by yeast, which produces ethanol and carbon dioxide. What type of glycosidic bond can you discern?

A) " $\beta$ -1,4 glycosidic bond"
B) " $\alpha$ -1,4 glycosidic bond"
C) " $\beta$ -1,2 glycosidic bond"
D) " $\alpha$ -1,2 glycosidic bond"