Which of the following is often called the body's thermostat?
a. the pituitary
b. the hypothalamus
c. the thalamus
d. the corpora quadrigemina
e. the medulla oblongata
B
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Chromosomal islands are presumed to have a "foreign" origin based upon three observations. What are these observations and how do they indicate that chromosomal islands are "foreign" in origin?
What will be an ideal response?
You have a pediatric patient with signs of excessive growth, or gigantism. Initial tests reveal abnormally high levels of growth hormone. What other hormone disruptions might be the primary cause of his symptoms? (Check all that apply.)
_____ high GHIH _____ low GHIH _____ high GHRH _____ low GHRH _____ high GnRH _____ low GnRH
Which structure or structures function to open and close the stomata?
a. cuticle b. mesophyll c. palisade cells d. guard cells e. chloroplasts
If a set of genes is induced in the presence of the controlling substance, it is referred to as ________ control.
Fill in the blank(s) with the appropriate word(s).