Which of the following hormones contains iodine

Which of the following hormone contain iodine ?

Which of the following does not contain iodine ?

Which hormone contains iodine ?

Which of the following does not contain Iodine

For the synthesis of which of the following hormone is iodine necessary? A. Adrenaline B. Auxin C.Thyroxin D. Insulin

Which of the following contains cationic iodine ?