The dyes fluorescein and rhodamine
A. are used to identify pathogens of chlamydiosis, Legionnaires' disease, and others.
B. are observed using fluorescence microscopy.
C. can be used to label antibodies in immunofluorescence tests.
D. emit visible light in response to ultraviolet radiation.
E. All of the choices are correct.
Answer: E
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Which of the following is supported by the fossil record?
a. How the anatomy of organisms has changed over time b. How homologous structures and vestigial structures differ c. How organisms in similar environments have similar features d. How geological changes have impacted evolutionary development
Oversecretion of growth hormone in adulthood results in
a. pituitary gigantism. b. acromegaly. c. pituitary dwarfism. d. diabetes insipidus. e. cretinism.
Which insecticide has been outlawed in the United States but not in Latin America?
a. DDT b. pyrethrum c. inorganic phosphates d. biological insecticides e. sulfur-containing insecticides
Inference-observation confusion occurs when someone
A) cannot understand your accent. B) jumps to a conclusion. C) lies about what happened. D) incorrectly assesses a patient. E) remembers events wrong.