I am certain your answer is true.good luck
Answer:
Basal Layer
Explanation:
Melanocytes reside in the basal layer of epidermis where they form the epidermal melanin units as a result of the relationship between one melanocyte and 30-40 associated keratinocytes
B. specific - meaning it is only able to catalyze a reaction with a certain molecule
The answer is cell. cell is the basic unit of humans