What are some controversial advances in stem cell research which caused the great amount of controversy in the United States?
Ans:
Embryonic stem cell research; some say diseases might be treated by transplanting cells generated from human embryonic stem cells. Others say destroying embryos to harvest the cells violates the sanctity of life. In addition, they suggest that money should be spent on research perfecting the use of nonembryonic adult stem cells.
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Generativity refers to
a. concern for welfare of others and society as a whole. b. the desire to have children and thereby ensure survival of the species. c. the ability to establish adequate social and financial security. d. active acceptance of aging and the social changes it brings.
Premenstrual syndrome and premenstrual dysphoric disorder are most likely linked to
A) imbalances in neurotransmitters. B) an excess of estrogen. C) a deficit in serotonin. D) a block of gamma-aminobutyric acid.