Which of the following does not change the amount of genetic material on a chromosome?
A: A deletion
B: An inversion
C: A duplication
D: A translocation
E: All of the above change the amount of genetic material on a chromosome.
Ans: B: An inversion
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The vast majority of plant species are
a. algae. b. bryophytes. c. gymnosperms. d. angiosperms. e. mosses
A large seaweed that floats freely on the surface of deep bodies of water would be expected to lack which of the following?
A) thalli B) bladders C) holdfasts D) gel-forming polysaccharides
Silvadene, a topical treatment for burns, contains 1% silver. What category of chemical control agent is in Silvadene?
A) halogens B) heavy metals C) oxidizing agents D) aldehydes E) surfactants
Using microbes to break down or remove toxic wastes in water and soil is called
A. synergism. B. recycling. C. mineralization. D. bioremediation. E. decomposition.