Mobile bits of DNA that can jump from one location on a chromosome to another location are called

A. exons.
B. introns.
C. pseudogenes.
D. simple sequence repeats.
E. transposons.


Answer: E

Biology & Microbiology

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The main class of neurotransmitters involved in regulating mood in vertebrate animals is/are

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A comparative morphologist would be most likely to study ________

a. theological writings about the origins of life b. the worldwide distribution of cactus-like plants c. the distribution of earthquakes and volcanoes d. differences and similarities in the structures of organisms

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An example of a salt-wedge estuary is:

a. the Mississippi Delta. b. Delaware Bay. c. Chesapeake Bay. d. Puget Sound.

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The domination of the flowering plants over

the past 100 million years appear to be their coevolution with

a. dinosaurs. b. gymnosperms. c. insects. d. mammals. e. humans

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