The knocking out, replacement, or addition of a gene in a genome is called____
a. DNA manipulation
b. gene manipulation
c. gene targeting
d. DNA cloning
e. transgenic modification
ANSWER: c
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DNA microarrays (DNA chips) are used to ____
A. cut DNA molecules at specific sites B. clone DNA C. test an individual for a specific genetic disease D. screen an individual's entire genome E. produce human embryos in a laboratory dish
Tortoises colorizing the different Galapagos islands and evolving into different species is an example of ______ speciation.
A. prezygotic B. allopatric C. postzygotic D. sympatric E. outgroup
Which of the following best describes the mental processes that involve memory and an ability to reorganize information?
A. instinctive behavior B. thinking C. imprinting D. conditioned response
Peritrichous bacteria make a run when
a. the flagella turn clockwise and become bundled. b. the flagella turn counterclockwise and separate. c. the flagella turn counterclockwise and become bundled. d. the flagella turn clockwise and separate.