Approximately one month upon return from a river rafting trip in South America, a college student develops a fever accompanied by chills, muscle aches, and abdominal discomfort. After being examined by physicians at the university health center, the student is referred to an infectious disease specialist where a diagnosis of schistosomiasis is made. Schistosoma is a helminth that contaminates freshwater in areas that lack proper sanitation, and often leads to infection when the water is used for swimming or bathing. In this case, bloodwork from the student would most likely reveal an elevation in which of the following cells?
A. Basophils
B. Erythrocytes
C. Eosinophils
D. Platelets
Answer: C
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Obligate symbiotic fungi that form associations with plants by entering the cortical cells of plants without invading the plant cell's membrane are called ________ and include the genus ________
A) ectomycorrhizae / Agaricus B) ectomycorrhizae / Glomus C) endomycorrhizae / Agaricus D) endomycorrhizae / Glomus
Algal blooms deplete the water of
a. oxygen. b. carbon dioxide. c. nitrogen. d. phosphorus. e. calcium.
The structure of the spinal cord and the brain are different in that:a
the spinal cord has only white matter, but the brain has both white and gray matter. b. the spinal cord has gray matter outside, but the brain has gray matter inside. c. the spinal cord has white matter outside, but the brain has white matter inside. d. the spinal cord has both white and gray matter, but the brain has only gray matter. e. Actually, the location of the gray and white matter is the same in both.
An organism with a temperature growth range of 45°C to 60°C would be called
A. a psychrophile. B. a facultative psychrophile. C. thermoduric. D. an extremophile. E. a thermophile.