Question: what is the difference between alpha and beta amylase?
Answer: From Google search: Both enzymes break the chains of glucose which form starch at alpha 1,4 linkages. Alpha-amylase breaks these bonds at random points in the starch chain. In contrast, beta-amylase acts on the bond between the last 2 and 3 glucose residues in the starch chain, releasing the disaccharide sugar maltose.