Sophia and her brother james are both taking a psychology class together, and are studying for an examination. "i just can’t remember where the body produces the majority of its serotonin," complains james. sophia him by saying, "just remember that it is produced in the enteric nervous system, and you should have no problem knowing that the is the body part you’re looking for."
a. gastrointestinal system
b. basal ganglia
c. basal ganglia
d. pons

a. gastrointestinal system

Explanation:

Serotonin is a neurotransmitter that acts in the brain, establishing communication between nerve cells and can also be found in the gastrointestinal system and blood platelets. This hormone is produced through an amino acid called tryptophan, which is obtained through food.

Serotonin is a hormone that acts by regulating mood, sleep, appetite, heart rate, body temperature, sensitivity and intellectual functions and therefore, when this hormone is in a low concentration, can cause moodiness, difficulty sleeping, anxiety or even depression.

i'm gonna put a couple so you can chose from

explanation:

if you know the fur color of the offspring mice, you can use the ratios to identify the genotypes of the parents.

if either parent mouse passes a dominant allele, the offspring will have black fur.

if the parental mice has two different fur color (i.e white and black) , the color of the offspring's fur would be either black, white, or the combination of both (grey)

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this protocol provides a detailed procedure for co-immunoprecipitation (co-ip) to identify protein–protein interactions.