Nerve cells communicate by sending an electrical signal through an axon, from this molecules get released into the synapse this then binds itself onto receptor sites. With ion-linked channel receptors, the ligands get binded to a protein. The ion channels are then opened and the proccess gets repeated. Does that help?
The sky is blue due to Rayleigh scattering.
Particles in our atmosphere split the white light that the sun emits to the shortest wave length
(Blue)
Skies becomes red during the sunset since an angle forces the light to travel through more dust particles making it a longer wavelength
(Red)
Water in the clouds are not small enough to split light into a specific colour so it remains the same
(White)
I would appreciate a brainliest.
Answer: i believe its evaportion not sure tho
Explanation:
Answer: Serotonin
Explanation:
Serotonin is an hormone, derived from the amino acid, tryptothan. It is involved in vasodilation, sleep regulation, mood changes, capillary permeability, and causes contraction of smooth muscles like that of the stomach to signal hunger.
