Experimental animals become tamer and more sexually active following damage to the
A) amygdala.
B) corpus callosum.
C) suprachiamatic nucleus.
D) hypothalamus.
E) hippocampus.
A) amygdala.
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Which statement is true about up-regulation and down-regulation?
A. Up-regulation is the increase in the number of receptors for a given hormone and down-regulation is the decrease in the amount of hormone. B. Up-regulation is the increase in the amount of hormone and down-regulation is the decrease in the amount of hormone. C. Up-regulation is the increase in the number of receptors for a given hormone and down-regulation is the decrease in the number of receptors for a hormone. D. Up-regulation is the decrease in the number of receptors for a given hormone and down-regulation is the increase in the number of receptors for a hormone.
Smooth muscle has ___________ and not troponin
A) calmodulin B) norepinephrine C) fibronectin D) titin
What effect did increasing the extracellular potassium have on the resting membrane potential?
A) The resting membrane potential disappeared. B) The resting membrane potential became more negative. C) The resting membrane potential did not change. D) The resting membrane potential became less negative.
When oxygen is low, pyruvate is converted to lactate, while
A. NADH is converted to NAD+. B. ATP is converted to AMP. C. citrate is converted to pyruvate. D. FADH is converted to NADH. E. FADH2 is reduced to FAD+.