Answer:
imaginary audience
Explanation:
Imaginary audience is a state in which an individual, most especially growing adolescent, are preoccupied with excessive and exaggerated belief and thought that they are the main focus of other people’s attention, and as such become worried unnecessarily and overtly self-conscious. The individual often feels they are the center focus of discussion of other people.
Melanin is a pigment that is produced by cells known as melanocytes in the skin of most animals, including humans. ...
The substrate is the part that sticks into the active site of an enzyme.
I’m pretty sure the answer is c