Septic shock, a systemic response including high fever and low blood pressure, is a response to _____
A) certain bacterial infections
B) specific forms of viruses
C) the presence of natural killer cells
D) increased production of neutrophils
A
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Which of the following is NOT a typical cellular change that occurs during lung cancer?
A. cellular hyperplasia B. loss of ciliated cells C. cellular displasia D. elevated gas transport E. increases in basal cell number and thickening of epithelium
In what type of tissue would platelets be found?
A) epithelial tissue B) muscle tissue C) nervous tissue D) connective tissue
Unstable isotopes can be useful
A) catalysts. B) in medical diagnosis. C) in vitamins. D) in the formation of hydrogen bonds. E) as buffers.
Suppose a new species of bacterium is discovered. It contains a form of DNA pol III that can add new nucleotides to either the 5' end or the 3' end of an existing strand. All other properties of the enzyme remain unchanged. How would DNA replication in these bacteria differ from normal replication?
A. DNA gyrase would no longer be required for replication. B. Both new strands could be synthesized continuously like the leading strand. C. The same polymerase molecule could synthesize both strands at the same time. D. Helicase would no longer be required for replication.