Some masculinization of the brain is due to
a. intracellular conversion of testosterone to DHT by aromatase
b. intracellular conversion of testosterone to estrogen by 5-alpha reductase
c. testosterone induction of somatomedans produced by the liver
d. intracellular effects of the sry protein induced by testosterone
e. none of the above
Answer: d. intracellular effects of the sry protein induced by testosterone
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Endothermic animals:
a. Do not have to regulate body temperature b. Cannot regulate body temperatures internally c. Regulate body temperature through the use of energy reserves d. Have a very wide range of acceptable body temperatures
A study found that poorer women in California are more likely to die if they live in better-off neighborhoods than if they live in poorer neighborhoods. According to the authors of your textbook, this difference in life expectancy is due to the
a. women in the better-off neighborhoods working longer hours at more stressful jobs. b. extra stress that the women living in the better-off neighborhoods feel from being constantly reminded that they are relatively poor. c. women in the poorer neighborhoods having better social support than the women in the better-off neighborhoods. d. better health care options available to the women in the poorer neighborhoods as compared to the health care options available to those in the better-off neighborhoods.