TLS Online TPP Program

#Question id: 7217


Following statements regarding to the metamorphic changes of frog development.

A. The metamorphic changes are brought about by the secretion of the hormone thyroxine (T4) into the blood by the thyroid gland

B. the conversion of T4 into the more active hormone tri-iodothyronine (T3) by the target tissues

C. the degradation of T3 in the target tissues

D. by the deiodinases enzymes T3 converted into T4 in target tissues.

Which of the following options are correct?

#Unit 5. Developmental Biology
  1. A, C and D
  2. A, B and C

  3. B only
  4. A only