Which of the following is the best example of a genetically modified organism?
a. dogs that have been bred over time to exhibit particular traits
b. a new apple variety that was created by cross-breeding two other apple varieties
c. bacteria that have developed resistance to antibiotics due to accidental misuse of drugs by humans
d. soybeans that are disease-resistant because scientists made specific changes to their chromosomes
d. soybeans that are disease-resistant because scientists made specific changes to their chromosomes
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In order to be useful, a conceptual model must
A) be real and true. B) have a tripartite structure, as does the classical model of human memory. C) make accurate predictions about relationships between observable events. D) not be tied to any observational base.
Presidential elections have two distinct phases. The phase in which the political parties select candidates for vice president and president is known as
a. nomination phase. b. general election. c. interview process. d. categorizing procedure. e. indoctrination phase.