Mutations that improve the survival and reproduction of organisms, and thus contribute to the evolution of species, arise rapidly in prokaryotes due to their
A) cell wall composition.
B) anaerobic metabolism.
C) absence of a nucleus.
D) rapid rate of cell division.
E) sexual reproduction.
D
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When a bacterium acquires a trait from its temperate phage, it is called ________.
A. transcription B. lysogenic conversion C. transformation D. viral persistence E. translation
In lakes and ponds of temperate latitudes, the upper and bottom layers of water usually turn over as water warms up during spring
Indicate whether the statement is true or false
A viticulturist wants to grow larger grapes. Which specific hormone would a viticulturist apply to the plants?
A. cytokinin B. ethylene C. gibberellin D. abscisic acid E. auxin
Several genetic disorders, including Fanconi anemia and ataxia telangiectasia, are caused by mutations in ____
a. the cell wall b. mitochondrial DNA c. ribosome structure d. DNA repair genes e. DNA polymerase genes