Chapter 19
Supplemental Quiz Questions

1. Compare the two popular hypotheses suggesting eukaryotic evolution from prokaryotes. What evidence supports the hypotheses? What evidence refutes the hypotheses?

2. What is the most likely rationale for the use of signature sequences to indicate phylogeny?

a. Their G+C content are the same.
b. Minimum sequence change occurs in DNA during evolution.
c. They are almost always present in rRNA of closely related groups.
d. Their evolutionary distance is easy to calculate.

3. How is Bergey's Manual being updated?

a. The phenetic system is being converted to a phylogentic system.
b.The phylogenetic system is being converted to a phenetic system.
c. It is adopting the eight kingdom model.
d. It unites the eubacteria and archea into one kingdom, eliminating the Gram notation.
e. It removes all non-medically important pathogens.

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