Which Statement(s) Is/are True? (Select All That Apply.)

Multiple Choice

Which statement(s) is/are true? (Select all that apply.)

A) DREADDS but not optogenetic method depend on viral vector delivery systems.
B) Both DREADDs and optogenetic methods depend on viral vector delivery systems.
C) Viral vector systems delivery genetic material.
D) When activated by light channelrhodopsins the neuron hyperpolarizes.
E) None of the above