Which form of anthrax involves a black eschar on the skin?

A. Inhalational
B. Muscular
C. Gastrointestinal
D. Cutaneous


Answer: D

Biology & Microbiology

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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

Biology & Microbiology

What vessels transport oxygenated blood from placenta to fetus?

a. umbilical arteries b. umbilical veins c. ductus venosus d. foramen ovale e. ductus arteriosus

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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.

Biology & Microbiology

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

Biology & Microbiology