Which of the following describes a similarity and a difference between isotopes of an element?

a. same atomic number; different number of protons

b. same number of protons; different atomic number

c. same atomic number; different mass number

d. same mass number; different atomic number

e. same number of neutrons; same number of protons

i think its control and coordinate because im pretty sure thats what tissue does and the joints are what control movement and then your skeletal/ bones provides portection. hope that .

answer: glucoamylase presented optimum activity at temperature of 55â°c, and, in the glycosidic bonds from the non-reducing ends of starch, resulting in the production of glucose. source and type of fermentation can affect the enzyme's properties

credit to kalahira