Answer: True.
Explanation:
Nitric oxide(N,O) is a signaling molecule produced by NO synthase which is a transmitter in the nervous system. In the central nervous system NO is generated by the activation of glutamate receptor. When it is produced, it diffuses out of the cells and act on neighbouring cells.
im pretty sure the answer is C let me know if its wrong dont give me brainiest
Answer:
Refraction is the change in direction of waves that occurs when waves travel from one medium to another. Refraction is always accompanied by a wavelength and speed change. Diffraction is the bending of waves around obstacles and openings.
Cell Membrane because it transport nutrients into the cells and also transport toxic substances out of the cell .
Una pieza de roca áspera. I'm only guessing <span />