Reduction in ____ growth is used as a sensitive indicator of air pollution
a. fungus
b. mushroom
c. algae
d. lichen
e. puff balls
d
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Humans are incidental hosts for ________, thus infected humans CANNOT spread the disease
A) Toxoplasma gondii B) Trichomoniasis vaginalis C) Entamoeba histolytica D) Plasmodium vivax
A DNA molecule that can accept foreign DNA and be replicated inside a host cell is known as a ____
a. genetic probe b. DNA library c. recombinant DNA d. cloning vector e. restriction enzyme
The cell membrane is selectively permeable and regulates transport. It is also involved in
A) secretion. B) storage of wastes. C) storage of DNA. D) Gram stain reactions.
This figure shows horizontal gene transfer and the early evolution of life. By this diagram, which of the fol-lowing is NOT true?
a. Bacteria have transferred genes to eukaryotes twice. b. Bacteria have transferred genes to archaea many times. c. Archaea have exchanged genes with eukaryotes. d. Bacteria have transferred genes among themselves. e. Eukaryotes have transferred genes among themselves.