Which drug is in the same category as nicotine?
A. cocaine
B. alcohol
C. marijuana
D. heroin
E. none of these
Answer: A
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Which of the following are NOT found in the "gray matter" of the human brain?
A. neuronal soma B. dendrites C. unmyelinated axons D. myelinated axons E. neuronal soma and dendrites
A 60-year-old having frequent constipation runs a greater risk of this condition
A) diverticulitis B) peptic ulcer C) diarrhea D) appendicitis
If a shoot's tip breaks off, ____ levels rise and stimulates cell divisions in the lateral buds.
A. auxin B. gibberellin C. cytokinin D. abscisic acid E. ethylene
Endergonic reactions ____.
A. result in products with less energy than the reactants B. require a net input of energy C. occur in the breakdown of glucose D. are used by cells to provide energy for biological reactions E. break down large molecules into smaller molecules