Cl + e- ? Cl- is an example of a:
A. polymerization.
B. ionization.
C. reduction.
D. oxidation.
C
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A patient who has a high level of mast cell activity, dilation of blood vessels, and acute drop in blood pressure is likely suffering from _____
A) an autoimmune disease B) a typical skin allergy (contact dermatitis) that can be treated by antihistamines C) an organ transplant, such as a skin graft D) the effect of exhaustion on the immune system E) anaphylactic shock immediately following exposure to an allergen
DNA is replicated by a process called __________. Fill in the blank(s) with the appropriate word(s)
As a general rule, the small intestine of a pig or human is
a. about 60 cm long. b. about 1.5 m long. c. about as long as the individual is tall (or long in the case of the pig). d. about five times the height of the individual.
When Streptococcus pneumoniae are exposed to an antibiotic, the bacteria try to pump the antibiotic out of their cells. Which of the following mechanisms is most likely used by the Streptococcus pneumoniae to pump the antibiotic out of their cells?
A. active transport B. diffusion C. facilitated diffusion D. osmosis