Why is nitrous oxide (NO) an exception among other water-soluble chemical signals?
A) Its receptor is not located in the cytoplasm.
B) NO is not an exception to other water-soluble chemical signals and has the same chemical properties in relation to membrane permeability.
C) It lacks a receptor protein.
D) It is present in the cell in a monoxide state, rather than as a dioxide.
E) It is able to pass through the cell membrane.

Question

Quizplus · Accepted Answer

Nitrous oxide (NO) is an exception among other water-soluble chemical signals because it is able to pass through the cell membrane. This is due to its small size and lipophilic nature.

Why Is Nitrous Oxide (NO) an Exception Among Other Water-Soluble