Glucose. Glucose like other sugars can exist in a straight chain form or it can loop back on itself and become a ring. If the hydroxyl group on the first carbon atom points down when the ring is formed alpha glucose results and if the hydroxyl group points up the result is beta glucose. alpha glucose. When glucose molecules are enzymatically joined to form a disaccharide a water molecule is removed.
Superbugs are strains of bacteria that have changed (or mutated) after coming into contact with an antibiotic. Once this happens, these bacteria are 'resistant' to the antibiotic to which they have been exposed, which means the antibiotic can't kill the bacteria or stop them from multiplying.
15 superbugs and other scary diseases. Drug-resistant superbugs are known as nightmare bacteria because they're so hard to kill. Dr. Katie Passaretti is in charge of infection prevention at Carolinas HealthCare and says cases of CRE are increasing.