What molecule is essentially a waste product of photosynthesis?
A) carbon dioxide
B) light
C) carbohydrates (sugars)
D) oxygen
D
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A source for alginic acid, a thickening, emulsifying agent found in ice cream, toothpaste, pudding and cosmetics, are the:
a. seed plants b. ferns c. brown algae d. red algae e. green algae
THC, the active ingredient in marijuana, alters
brain levels of
a. dopamine. b. norepinephrine. c. GABA. d. serotonin. e. all of these
A significant event influencing the rapid evolution of
plants on land after their initial appearance was the a. increase of atmospheric oxygen. b. reduction of ultraviolet radiation penetration through the atmosphere. c. stabilization of global climates. d. increase in soil nutrients. e. merging of land masses.
Suppose Stephen Mobley, who was convicted and executed for the murder of John Collins, carried the variant of the
MAOA gene that has been associated with violent behavior. If you were on the jury that convicted and sentenced Mobley, would this information have influenced your view of his guilt or innocence? Would it have changed your opinion of his sentence? Why or why not? What will be an ideal response?