Multiple choice

Iodine is needed for the normal metabolism of cells. Which alga was considered as the original source of iodine in ancient times?

  1. Fucus spiralis

  2. Fucus vesiculosus

  3. Laminaria digitata

  4. Sargassum

  5. Chondrus crispus
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Fucus vesiculosus was the original source of iodine, discovered in 1811, and was used extensively to treat goitre, a swelling of the thyroid gland related to iodine deficiency.

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