Which Statement About Hormones, Hormone-Producing Cells, and Target Cells Is

Multiple Choice

Which statement about hormones, hormone-producing cells, and target cells is true?

A) Target cells have receptors for binding the hormone they are a target for.
B) Endocrine cells do not exist as single cells within a tissue.
C) All hormones travel in the blood to target cells.
D) Endocrine glands have ducts that lead to the outside of the body.
E) Cells in close proximity to hormone-producing cells are more strongly affected by the hormone than cells at a distance.