Although initially thought to be due to an excessive amount of a particular neurotransmitter, mania has been found to be due to low levels of which neurotransmitter? norepinephrine serotonin dopamine acetylcholine

Serotonin

Explanation:

The level of serotonin has been found to be in excessive amount but now there is low levels of serotonin in the blood of the person.

The shortage of this neurotransmitter in the body causes depressed mood, low level of energy, loss of sleep and many more.

This low level of serotonin in the body also causes a medical condition known as depression and anxiety.

there are mainly three domains in biological classification namely; archaea, bacteria, and eukarya.

archaea includes all the prokaryotic cells which are characterized by their lipid membranes. they have branched hydrocarbon which is attached to glycerol through an ether linkage.

bacteria includes all the prokaryotic cells, the cell membrane of which are made up of the unbranched fatty acid chain. in addition, they are attached to glycerol through an ester bond.

eukarya includes all the eukaryotic cells, that is, the cells contain a nucleus and other membrane-bound cell organelles.

they can be autotrophic as well as heterotrophic, unicellular as well as multicellular

they include kingdoms like protista, plantae, animalia, fungi et cetera.

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explanation:

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.