In an atom, the nucleus is composed of protons and neutrons, while the electrons orbit very quickly around the nucleus.
Designing and constructing buildings that are made of recycled materials, energy efficient, and economical, is a trend called<span> Green architecture.</span>
Answer:
threshold, enter
Explanation:
Sodium channels may be defined as the integral membrane proteins which forms the ion channels. It conducts the sodium ions through the cell's plasma membrane.
These channels are said to be located in the chromosome 2 of the human a well as mouse species. Sodium channels functions to mediate the fast depolarization and it conduct the electrical impulses throughout the nerves, heart and the muscles.
The sodium channel opens when a threshold is reached at -50mV to -55 mV which causes the rapid opening of the voltage-gated sodium channels.