Viruses used in gene therapy that are capable of penetrating cells and inserting modified DNA into them are called:
a. recombinant viruses
b. re-engineered viruses
c. retroviruses
d. macroviruses
c
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The "silver tsunami" expected into the middle of the 21st century is primarily due to
a. the aging of the "baby boom" generation. b. medical advances increasing the number of older and frail adults. c. immigration of young families resulting in a younger population. d. divorce and remarriage resulting in more children and a younger population.
Three people in the same place at the same time who are working on a common activity but not interacting with one another are best described as a
a. social group. b. minimal group. c. collective. d. conjunctive group.
Research found that during REM sleep, activity ____
a. decreased in the pons, while it increased in the limbic system b. increased in the pons, while it decreased in the limbic system c. decreased in both the pons and the limbic system d. increased in both the pons and the limbic system
According to Freud, which of the following was/were the "royal road to the unconscious"?
a. The id c. Free association b. Dreams d. Defense mechanisms