Two weeks following a hiking trip in which several ticks were noticed and numerous mosquitoes were biting, a 25-year-old man notices a rash shaped like a red ring on the back of his thigh. He was not concerned because he had no other symptoms. Three months later he noticed significant pain in his elbows and his knees. What is the most likely cause of his illness?
A. Ehrlichiosis
B. Rocky Mountain Spotted Fever
C. West Nile encephalitis
D. Lyme disease
Answer: D
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The evolutionary sequence in the development of a complex character can be best analyzed through
A. homoplasies. B. phylogenetics. C. taxonomy. D. classification. E. synapomorphies.
Due to a genetic defect, an individual is unable to make T cytotoxic cells. Predict the most likely consequence.
A. The individual will have SCID (severe combined immunodeficiency disease). B. The person will have frequent infections caused by Staphylococcus and Streptococcus. C. The person will not be able to adequately fight viral infections and infections caused by intracellular bacteria. D. The individual will not be able to synthesize any antibodies.
Suppose a young boy is always tired and fatigued, suffering from a metabolic disease. Which of the following organelles is most likely involved in this disease?
A) lysosomes B) Golgi apparatus C) ribosomes D) mitochondria
The difference between aerobic and anaerobic glucose breakdown is
What will be an ideal response?