#Question id: 14518
#Unit 13. Methods in Biology
#Question id: 31289
#Unit 5. Developmental Biology
#Question id: 9613
#Unit 9. Diversity of Life Forms
Which of the following pairs are the best examples of homologous structures?
#Question id: 18373
#Unit 12. Applied Biology
#Question id: 7217
#Unit 5. Developmental Biology
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?