Which pair is mismatched?
A. Trypanosoma - causes African sleeping sickness
B. Trichomonas - sexually transmitted
C. Giardia - transmitted by feces in drinking water
D. Plasmodium - causes Chagas disease
E. Histoplasma - causes Ohio Valley fever
Answer: D
You might also like to view...
Hemophilia is a sex-linked recessive condition that results in deficient blood clotting. The disease causes excessive bleeding which occurs spontaneously or upon slight injury. In dogs (as in humans) hemophilia is caused by a defect in a gene on the X chromosome. What will be the results of mating between a normal, non-carrier female dog and a male dog with hemophilia?
A. All female offspring will be normal and half the male offspring will have hemophilia. B. Half the male offspring will be normal and half will have hemophilia; all females will be carriers. C. All the female offspring will be normal and all male offspring will be carriers. D. Half the female offspring will have hemophilia and half will be carriers, all male offspring will be normal. E. All of the offspring will be normal, but all females will be carriers.
Genes that affect the __________ system often affect behavior. Fill in the blank(s) with the appropriate word(s)
When a structural gene is under positive inducible control, what would be the result of a mutation that eliminates the activator protein?
A. The transcription of the structural gene will not be affected, as an activator is not required. B. Since transcription will require an activator protein, the transcription will be turned off. C. The mutation will lead to activation of a repressor upon the lack of an activator protein, which will block transcription. D. More cAMP will be produced in a cell to compensate for the lack of an activator protein. E. The structural gene will be constitutively expressed due to the lack of inducible control.
Which of the following differs between intra- and interspecific interactions when it comes to the evolution and maintenance of cooperation?
a. Interacting partners from different species are not linked by inclusive fitness. b. We cannot apply game theory to interspecific systems. c. Cooperative interactions cannot shift into antagonistic ones in intraspecific systems. d. All of the above.