Explain how counting the number of drops of ammonia is a way of measuring
fermentation?

Fermentation is a process that mainly converts the carbohydrates to energy and also converts sugar to acids, alcohol or gases. Fermentation is a process that allows any organism to survive without oxygen and fermentation is the cells main ATP producing stimulant. The study and science of formation is known as Zymology. Fermentation is a process that is most common in certain organisms like yeast, bacteria etc. Fermentation comes to human use as well for making alcohols and different types of breads.   

This bacteria must be very strong as it has a large amount on antibiotic targeting it. this bacteria could be one of many different types and it is very hard to tell which one with out more information.