Which of the Following Statements Are True of Thyroxine (And

Multiple Choice

Which of the following statements are true of thyroxine (and T₃) and growth hormone (GH) ? (Read carefully and select all of the correct statements.)

A) Thyroxine contains iodine and GH contains iron.
B) Thyroxine increases the use of all food types for energy.
C) GH increases the use of amino acids to produce energy.
D) Both hormones increase the rate of mitosis in growing tissues.
E) Both hormones increase the rate of protein synthesis in cells.
F) Thyroxine is secreted throughout life, but GH is secreted only when the body is growing in height.