Toxoplasma gondii infects the brain, as do many other pathogens. However, Toxoplasma differs from other pathogens in that it
A. causes tumor formation in the brain.
B. manifests in behavioral changes in the host.
C. causes destruction of brain tissue.
D. always kills the host.
Answer: B
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Recall that angiosperms spend a great deal of energy and resources attracting pollinators. What are some of the methods flowers use to lure pollinators? Select all correct choices
A. Flowers can mimic females of an insect species (both in appearance and pheromones). B. Flowers can be brightly colored and produce nectar. C. Flowers can produce chemicals insects use to synthesize pheromones. D. Flowers can produce scents similar to those emitted by dung or animal carcasses.
Which of the following is not associated with adhesive junctions?
A) desmosomes B) hemidesmosomes C) plaques D) connexin E) cadherins
In all Mendel's crosses, it did not matter which phenotype was used as the male or as the female
parent. Indicate whether the statement is true or false.
When plasmids are used to produce a desired protein
A) the plasmids are inserted into the bacterial chromosome. B) the plasmids multiply and produce the protein outside of the bacterium. C) the desired gene is inserted into the plasmid, and the plasmid is returned to the bacterium by transformation. D) the bacterial genome and plasmid are inserted into the genome of the cell containing the desired gene (often the cell of a plant or animal).