Choose the iodine containing hormone?
Correct answer: C. Thyroxine
- A. Progesterone
- B. Testosterone
- C. Thyroxine
- D. Estrogen
Explanation
Thyroxin exists in two forms T3 and T4. Both are different from each other on the basis of no of Iodine atoms present per molecule of Thyroxin.T3 has 3 Iodine atoms while T4 has 4 Iodine atoms. Both are secreted by Thyroid glands.
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About Macromolecules
Proteins are classified by shape, composition and structure, from primary amino acid sequence to secondary, tertiary and quaternary organisation, and their biological roles are linked to this structure. Enzymes are examined as protein biocatalysts, including active sites, substrate specificity, activation energy, cofactors and factors affecting activity.
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