An amine hormone important in the stress response in vertebrates is
A. melatonin.
B. serotonin.
C. epinephrine.
D. dopamine.
E. cortisol.
Answer: C
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Diseases such as scrapie in sheep, "mad cow" disease in cattle, and Creutzfeldt-Jakob disease in humans are known as
A. viroids. B. viruses. C. retroviruses. D. TSEs (transmissible spongiform encephalopathies). E. emerging viruses, for example Ebola.
The equation above shows one of the reversible reactions that occur in blood. After exercise, an athlete's blood pH has dropped below the normal level. How will normal blood pH be restored?
A) An increase in 02 concentration in the plasma will lead to an increase in H+ concentrations. B) An increase in temperature will lead to an increase in H+ concentration. C) An increase in sweating will lead to a decrease in OH- and H+ concentrations. D) An increase in breathing rate will lead to a decrease in blood CO2 and H+ concentrations.
John was attending a party when he suddenly started eating food from some of the other guest's plates and using profane language. John's son promptly rushed his father to the hospital where it was discovered that he had suffered a stroke
Based on John's altered behaviors, which area of the brain was most likely damaged by the stroke? A) Temporal lobe B) Prefrontal cortex C) Corpus callosum D) cerebellum E) Hypothalamus
Which statement is NOT a characteristic of biofilms?
What will be an ideal response?