Question: When a low frequency sound enters the cochlea, the stereocilia of hair cells closer to the base of the basilar membrane: (Select all that apply) When a low frequency sound enters the cochlea, the stereocilia of hair cells closer to the base of the basilar membrane bend toward the kinocilium and cause the release of neurotransmitters. depolarize causing voltage-gated calcium channels to open. hyperpolarize causing voltage-gated calcium channels to not open. bend away from the kinocilium and cause the release of neurotransmitters.