Cocaine appears to produce its effects largely by increasing the supply of the neurotransmitter dopamine at key neurons throughout the brain. The missing word is dopamine. I hope this is the answer that you were looking for.
The cytoplasm splits in two and the cell divides
The quiver tree faces various problems due to climate change and drought periods.
The population of this plant tries to avoid the unfavorable environmental conditions by shifting their growing range towards the poles, or more precisely away from the heat of the equator.
