The sun is not a living thing. It is made up of gases, such as hydrogen and helium, rather than living cells, which are present in all forms of life
The answer is dependent variable.
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.