Option B: during cellular division, the nuclear membrane dissolves and the DNA strands unwind.
Neurons and not in a ganglion. With dendrites facing the external surface of the cribriform plate and axons that pass through the cribriform foramina with terminal end at olfactory bulbs. The ORNs located in the olfactory neuroepithelium of the nasal cavities.
The answer to your question is true