Question

Regarding biochemical homology of prolactin, its function in Bony fishes is:

• A. Secretion of skin mucus
• B. Secretion of egg Jelly
• C. Suppress egg production
• D. Production of crop milk

Answer 1

Answer:

B. Secretion of egg Jelly

Prolactin is an important regulator of multiple biological functions in vertebrates, and has been viewed as essential to ion uptake as well as reduction in ion and water permeability of osmoregulatory surfaces in freshwater and euryhaline fish.