Asmall horse has the same amount of kinetic energy as a larger horse moving at the same speed

Yes, because the speed is the same even if the body mass index is different.

Yes I agree that the kinetic energy is the same but the small horse could never run at the same speed as the larger horse due to the body structure

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.