Which of the following diseases is a reproductive disease that may cause sterility and abortion in cattle?
a. leptospirosis c. brucellosis
b. bovine viral diarrhea d. displaced abomasum
C
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Gallstones are usually composed of
A. uric acid. B. cholesterol. C. calcium salts. D. bile pigments.
The study of disease is known as ________
A) Microbiology B) Cytology C) Neurology D) Pathophysiology
The statement "Its postganglionic axons always use acetylcholine as the neurotransmitter" is
A) true only for the parasympathetic nervous system. B) true only for the sympathetic nervous system. C) true for both the parasympathetic and sympathetic nervous systems. D) not true for either the parasympathetic or sympathetic nervous systems. E) true only for the somatic nervous system.
During meiosis II, one spindle fiber fails to attach to a chromosome at the centromere. How will this affect the genetic content of the daughter cells?
A. One daughter cell will have two chromosomes and the other daughter cell will have no chromosomes. B. One daughter cell will have only maternal genes and the other daughter cell will have only paternal genes. C. One daughter cell will have three copies of a chromosome and the other daughter cell will have two copies of that chromosome. D. One daughter cell will contain one extra chromosome and the other daughter cell will have one less of that chromosome.