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

question 44

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

---

Definitions:

Anaerobic Bacteria

Bacteria that thrive in environments lacking oxygen, playing roles in processes like fermentation.

Cholera

An infectious disease caused by the bacterium Vibrio cholerae, leading to severe diarrhea and dehydration.

Spirillum

A spiral-shaped bacterium.

Parasite

An organism that lives on or in another organism and relies on it for nourishment or some other advantage to the detriment of the host organism.