Thyroid hormones
A) are lipophilic.
B) are hydrophilic.
C) must bind to plasma proteins for transport to target cells.
D) are lipophilic and must bind to plasma proteins for transport to target cells.
E) are hydrophilic and must bind to plasma proteins for transport to target cells.

Question

Quizplus · Accepted Answer

Thyroid hormones are lipophilic, which allows them to easily cross cell membranes. However, due to their lipophilicity, they must bind to plasma proteins such as thyroxine-binding globulin (TBG) for transport in the bloodstream to reach their target cells.

Thyroid Hormones