Choose all of the homeostatic variables that provide energy in animals.
A. Ca2+
B. ATP
C. Fat
D. Glucose
E. Water
Answer: D
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The most definitive test to diagnose a helminth infection is
A. a good medical history of the patient, including recent foreign travel. B. an ova and parasite smear for microscopy. C. a serological test for the presence of anti-helminthic antibodies. D. a blood cell count to look for elevated levels of eosinophils.
One reason for the increase in the rate of skin cancer is
a. increased exposure to ultraviolet radiation. b. water pollution. c. food additives. d. preservatives. e. air pollution.
In Figure 3-2, ionic bonds would form between the R groups of which amino acids?
a. 1 and 3 b. 2 and 4 c. 3 and 5 d. 4 and 6 e. 3 and 6
Which of the following studies would lie outside of an ecologist's skill set?
A. Studying the progression of an outbreak of HIV in sub-Saharan Africa. B. Developing a management plan for the preservation of an endangered species. C. Management plan to clean up a section of the Mississippi River that has become polluted due to sewage discharge. D. Proposal to develop a solar power field on the edge of a major urban area. E. All of these are part of an ecologist's skill set.