Which of the following statements about transformation is false?
A. The bacterium E. coli is incapable of natural transformation.
B. Like transduction and conjugation, natural transformation is an "accident" of plasmid biology.
C. Artificial transformation is essential to many recombinant DNA techniques.
D. All R-plasmids contain antibiotic-resistance genes.
E. Natural transformation of the Enterobacteriaceae is a significant public health risk.
B. Like transduction and conjugation, natural transformation is an "accident" of plasmid biology.
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The spores that are released when the zygospore splits open are________.
A. sterile B. haploid C. motile D. diploid E. triploid
Two parents with type A blood have a child who is type O. The parents' genotypes must be
____________________ and ____________________ or they must have the ____________ phenotype. Fill in the blank(s) with the appropriate word(s).
____________________ involves the fertilization of the egg outside the body, followed by transfer of the embryo into
a woman’s uterus. Fill in the blank(s) with the appropriate word(s).
After Darwin concluded his voyage on the Beagle, he proposed that the process of natural selection was a mechanism for:
A. artificial selection. B. speciation. C. sexual selection. D. evolution. E. overpopulation of finches on the Galapagos Islands.