A simple sugar that is an important energy source in living organisms and is a component of many carbohydrates. a syrup containing glucose and other sugars, made by hydrolysis of starch and used in the food industry. hope that helped
I think the scientific field was strengthened by his contribution, because scientists now had a standard and international way of reference to living species as opposed to the layman's names. This brought harmony in the field.
Most likely Endocrinology. Endocrinology is a bracnh of biology and medicine that deals with the endocrine system ( the system that produces hormones).