The Shakespearean character Juliet took a potion that paralyzed her and affected her muscles used for breathing. She probably took something that blocked the action of
a. norepinephrine. c. acetylcholine.
b. serotonin. d. dopamine.
C
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Which of the following is TRUE regarding parents and their children?
a. They share about 50% of their genetic material. b. They share recessive genes only. c. They share dominant genes only. d. They share about 25% of their genetic material.
A disorder that may result from abnormal development of the corpus collosum is
hearing impairment. nearsightedness. extreme impulsivity. autism.
To maintain good nutrition, follow the Institute of Medicine's Food and Nutrition Board's (2002) most current guidelines. Pay special attention to selenium, folic acid, B12, and ____
a. vitamin D c. vitamin C b. vitamin A d. vitamin K
an experimental test of the effects of Vitamin B-12 on problem-solving performance, ______ is the independent variable, and ______ is the dependent variable.
a. problem-solving performance; the vitamin b. problem-solving performance; a placebo c. the vitamin; problem-solving performance d. a placebo; the vitamin