Multiple choice

Which one of the following human hormones contains iodine?

  1. Adrenalin

  2. Progesterone

  3. Oxytocin

  4. Thyroxin
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Thyroxin (T4) is a hormone produced by the thyroid gland that plays a crucial role in regulating the body's metabolic rate. It is unique because its molecular structure incorporates iodine atoms; specifically, T4 contains four iodine atoms. A deficiency in dietary iodine can lead to decreased thyroxin production and conditions like goiter.

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