#Question id: 1637
#SCPH28 | Zoology
Protective antibodies against infectious agents are often:
#Question id: 14894
#SCPH05 I Biotechnology
#Question id: 27771
#Research Methodology
________ describes the present state of affairs as it exists without having any control over variables.
#Question id: 12574
#SCPH06 I Botany
#Question id: 11553
#SCPH28 | Zoology
Tadpoles must undergo a major metamorphosis to become frogs. This change includes reabsorption of the tail, growth of limbs, calcification of the skeleton, increase in rhodopsin in the eye, development of lungs, change in hemoglobin structure, and reformation of the gut from the long gut of an herbivore to the short gut of a carnivore. Amazingly, all of these changes are induced by thyroxine. What is the most likely explanation for such a wide array of effects of thyroxine?