The use of a double genus in a microorganism's label, such as Burkholderia (Pseudomonas), indicates that the bacterium:
a. does not fit well in either group but has some characteristics of both groups.
b. is a genetic cross between the two groups.
c. has been moved from one genus (Pseu-domonas) to another genus (Burkholde-ria).
d. has been moved from one genus (Burk-holderia) to another genus (Pseudomo-nas).
C
A name of an organism may change as scientists learn more about the organism. An older name is often included in parentheses next to the current name to alleviate confusion about the identity of the organism.
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So far, the only disease that has been globally eradicated is
A. polio. B. smallpox. C. measles. D. diphtheria.
Which of the following is NOT part of an alternation of generations life cycle?
A. gametophyte generation B. sporophyte generation C. haploid spores D. triploid gametes E. a diploid zygote
A cell from a wheat plant contains all of the following EXCEPT a
A) flagellum. B) cell wall. C) cytoskeleton. D) chloroplast. E) mitochondrion.
Organisms that grow well at 0°C and have optimum growth temperatures of 15°C or lower are called ________.
A. mesophiles B. frigiphiles C. psychrotrophs D. psychrophiles