Which form of anthrax involves a black eschar on the skin?
A. Inhalational
B. Muscular
C. Gastrointestinal
D. Cutaneous
Answer: D
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Suppose you take a cell from an adult cow and attempt to use it to produce a clone of that cow. If for
some reason telomerase is not functioning in that cell or in any cell that comes from it, what will you expect to happen with your clone?
a. The cell will never be able to divide at all. b. When the clone grows up, it will most likely have cancer. c. The cell may divide, but after a certain number of divisions, cell division will stop. d. The lack of telomerase should have no effect on the clone. e. When the clone grows up, it will most likely be sterile.
What vessels transport oxygenated blood from placenta to fetus?
a. umbilical arteries b. umbilical veins c. ductus venosus d. foramen ovale e. ductus arteriosus
By definition, if the DNA of a cell undergoes a spontaneous mutation, is was NOT due to ________.
A. spontaneous depurination of nucleotides B. insertion of transposons C. exposure to radiation D. errors in DNA replication
Carla is taking a home pregnancy test to find out whether she is pregnant. If this test comes back positive, which hormone has it detected in Carla's urine?
A) estrogen B) human chorionic gonadotropin (HCG) C) relaxin D) progesterone