Question

Which of the following hormones must always bind to a protein in order to be transported in the blood plasma? A) Growth Hormone B) Calcitonin C) Vitamin D3 D) Both a) and b). E) Both b) and c).

Answer 1

Growth hormones is the correct answer.

As Lipid-derived hormones must be transported to their target cell while bound to a transport protein since blood is water-based.