Approximately what percentage of prokaryotes are thought to be pathogens?
A) <1%
B) 12%
C) 26%
D) 48%
Ans: A) <1%
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Which of the following is not true of transposons?
A. They are always part of plasmids. B. They can replace damaged DNA. C. They can change pigmentation. D. They can change the genome. E. They can transfer drug resistance.
In the figure above, representing transcription, the item labeled "C" is
a. the nontemplate strand. b. RNA-DNA hybrid. c. the template strand. d. DNA double helix. e. the RNA copy.
During an infection, proteins called ______will usually be in the blood as a sign of the host immune response.
Fill in the blank(s) with the appropriate word(s).
In which model of evolution are many transitional forms predicted?
A. gradualistic B. punctuated equilibrium C. Neither punctuated equilibrium nor gradualistic. D. Both punctuated equilibrium and gradualistic.