Patient's serum, influenza virus, and red blood cells are mixed in a tube. What happens if the patient has antibodies against influenza virus?
A) agglutination
B) hemagglutination
C) complement fixation
D) hemolysis
E) hemagglutination-inhibition
E
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Historically inaccurate diagnosis of acid reflux disorders and gastric ulcers has been improved by _____
A) pH monitoring B) X-ray technology C) screening for H. pylori infections D) colonoscopy E) sonography
Certain species of Bacteria have been identified to cause obesity
Indicate whether the statement is true or false.
Which of the following is an inhibitor that binds to the active site of an enzyme?
A) a competitive inhibitor B) a noncompetitive inhibitor C) an allosteric inhibitor D) an uncompetitive inhibitor
Spiegelman and colleagues demonstrated natural selection in RNA replications because in their experiments:
a. RNA molecules had differential survival and replication rates. b. RNA was self-replicating. c. the researchers chose which RNA molecules to replicate. d. RNA was copied into DNA.