Binding of IgE to the surface of sensitized cells leads to (activation/degranulation/lysis) of the cell, releasing many inflammatory chemicals.

Fill in the blank(s) with the appropriate word(s).


degranulation

Biology & Microbiology

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In a transcription complex, how many base pairs of RNA-DNA hybrid are found?

A. 2 B. 8 C. 25 D. 35 E. 100

Biology & Microbiology

Methane-producing archaeons in the rumens of cows and bioluminescent bacteria within the bodies of squid are both examples of ____ , where organisms have "evolved together."

Fill in the blank with the appropriate word.

Biology & Microbiology

A drug called Coumadin interferes with the action of vitamin K in the liver. What effect will Coumadin have on blood-clotting mechanisms?

A) Coumadin will make it necessary for the patient to eat extra leafy green vegetables. B) Vitamin K will not be absorbed from the digestive tract. C) Nothing, because vitamin K is not necessary for blood clotting. D) The liver will not be able to produce needed clotting factors.

Biology & Microbiology

What is a lod score?

A) determination of how often double crossovers occur B) determination of how often a gene mapping experiment gives the correct results C) a method using cell fusion to determine on which chromosome a gene resides D) determination of the probability that two traits are linked by analyzing pedigrees E) a calculation to show how much interference is occurring in crossover formation

Biology & Microbiology