1. Tardigrade
  2. Question
  3. Biology
  4. Read the following statements (A-D) and select the number of correct statements with respect to T3/T4. (A) Transported in the blood bound to thyroxine-binding globulin. (B) Made up of tyrosine residues. (C) Require iodine for synthesis. (D) Controls BMR.

Q. Read the following statements (A-D) and select the number of correct statements with respect to T3/T4.
(A) Transported in the blood bound to thyroxine-binding globulin.
(B) Made up of tyrosine residues.
(C) Require iodine for synthesis.
(D) Controls BMR.

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Solution:

Thyroxine and tri-idothyroxine are the two hormones produced by the follicles of the thyroid gland. Both are an iodinated form of an amino acid called tyrosine.
The thyroid hormones greatly increase the metabolic rate of the body, enhance heat production and maintain BMR.