Why is malaria such an effective disease? What will be an ideal response?
There are many reasons that malaria is effective. Perhaps most significant is the mosquito vector.
Mosquitoes offer the Plasmodium direct access to the blood so the disease does not need to rely on
accidental cuts or openings. In addition, the mosquito solves the problem of moving the disease
between hosts. In addition, the disease assists the vector by both making the host week and making
them secrete a mosquito-appealing odor, increasing the odds of a mosquito successfully visiting them.
Protists – the Simplest Eukaryotes 189
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Fishery biologists primarily rely on data collected by
a. fishery landings. b. independent population studies. c. carefully designed experiments. d. astrological charts. e. the military.
The M phase of the cell cycle involves two main processes:a
mitosis and cytokinesis. b. meiosis I and meiosis II. c. homologous pairing and crossing over. d. interphase and mitosis. e. mitosis and meiosis.
Tetrodotoxin is a potent poison, produced by some newts, pufferfish, and blue-ringed octopus that affects sodium transport involved with the voltage gates in neurons. A friend swimming in the Caribbean is pricked by a pufferfish and gets very sick. The most likely action the poison takes is
A. Mimicking an antiporter and allowing sodium to rush out. B. Blocking a symporter and keeping sodium from rushing in. C. Blocking an antiporter so sodium cannot rush in. D. Mimicking a symporter and allowing sodium to rush out and potassium to rush in.
A frequent cancer that is seen in AIDS patients is
A. leukemia. B. melanoma. C. Kaposi's sarcoma. D. Hodgkin's lymphoma. E. colon cancer.