The primary source of the specificity of enzymes is
a. their polarity, which matches that of their specific substrate
b. their bonded transition metal, which is specific to the target substrate
c. their shape, which relates to the lock-and-key model
d. their locations within the cell
e. their delocalized electron cloud

Which group of protists would be most likely to have cilia as adults and why? (1 point)the sporozoan protists would since they have to spread their spores around.the heterotrophic protists would since they use them to gather food.the parasitic protists would since they need to find other organisms to attack.the autotrophic protists would since they must move to find light.