One major difference between eukaryotes and prokaryotes is that __________.
A. some eukaryotic cells live in areas of temperature extremes, whereas prokaryotic cells cannot
B. eukaryotic cells contain the genetic material DNA, whereas prokaryotic cells contain RNA
C. prokaryotic cell structure is much more complex than eukaryotic cell structure
D. eukaryotes' survival is limited to a few environments, whereas some prokaryotes have adapted to a variety of extreme environments
D. eukaryotes' survival is limited to a few environments, whereas some prokaryotes have adapted to a variety of extreme environments
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A nucleic acid contains uracil, allowing you to conclude that:
A. this nucleic acid is DNA. B. this nucleic acid is RNA. C. this nucleic acid could be either DNA or RNA.
Attenuated agents
A. may induce immunity after a single dose. B. may cause disease in immunocompromised individuals. C. multiply in the body. D. may revert or mutate to disease-causing strains. E. All of the choices are correct.
A consequence of asexual reproduction in a plant is that __________.
A. gametes are produced in large numbers B. a partner is needed for reproduction C. pollen dispersal is critical to survival D. its entire genetic legacy can remain intact
The number of individuals of a species that can be sustained by the resources in a given area defines
a. the carrying capacity of the environment. b. exponential growth. c. the doubling time of a population. d. density-independent factors. e. the biotic potential.