Question

question 47
which protein, acting as a hormone, regulates blood glucose?
prolactin
thyroxine
insulin
oxytocin

Explanation:

Insulin is a protein - hormone that regulates blood glucose levels by facilitating the uptake of glucose into cells. Prolactin is related to milk production, thyroxine regulates metabolism, and oxytocin is involved in child - birth and lactation.

Answer:

C. Insulin