In places where the public sanitation is poor, people run the risk of getting
a. West Nile virus.
b. cholera.
c. SARS.
d. anthrax.
e. mononucleosis.
B
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All target cells of a specific hormone must have ____
a. hydrophilic plasma membranes b. proximity to an endocrine gland c. an appropriate receptor molecule d. special lipids in their plasma membranes e. access to absorbed carbohydrates
Which of the following statements is NOT correct about the pH of soil?
A. An acidic soil will have a greater concentration of H+ (Hydrogen ions). B. An acidic soil will have a lesser concentration of H+ (Hydrogen ions). C. pH is a non-living component of the ecosystem. D. Soil pH is an important factor for plant growth. E. Acid rain can affect the pH of soil.
In which structure of the digestive tract does digestion of starches begin?
a. in the esophagus b. in the large intestine c. in the mouth d. in the small intestine
As a forensic pathologist, you have just completed an autopsy of a poisoning victim. After a thorough examination, you conclude that the victim died of cyanide poisoning. You know that cyanide binds to the cytochrome oxidase complex, and therefore list the official cause of death as suffocation due to cyanide exposure. However, if you wanted to provide a more technical explanation as to the cause of death, which process was specifically inhibited directly by cyanide?
A. all proton pumping into the intermembrane space B. the oxidation of FADH2 C. the formation of water from oxygen D. the reduction of NAD+ E. ATP synthesis