Endocrine PhysioEX:  All all parts of this essay question a…

 Endocrine PhysioEX:  All all parts of this essay question a.  What happens to the metabolic rate of a rat when the thyroid gland or pituitary gland are removed?  Why?   b.  What is the effect of thyroxine on metabolism?  What happens when thyroxine is injected into rats 2 (without a thyroid gland) and rat 3 (without a pituitary gland)? c.  What does the propylthiouracil do to metabolic rate?   Did you see any metabolic difference in Rats 2 (without a thyroid gland) and rat 3 (without a pituitary gland) compared to their normal baseline with propylthiouracil?