phrase1: slower form
phrase2: different type
sentence1: This suggests that synaptotagmin-7 is responsible for mediating a slower form of Ca(2+)-triggered release while the faster release is induced by synaptotagmin-1.
sentence2: This suggests that synaptotagmin-7 is responsible for mediating a different type of Ca(2+)-triggered release while the faster release is induced by synaptotagmin-1.