A test used to identify antibodies against Treponema pallidum in a patient's serum is the
A) direct fluorescent-antibody test.
B) indirect fluorescent-antibody test.
C) direct agglutination test.
D) direct ELISA test.
E) hemagglutination-inhibition test.
B
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Most of the carbon in amino acid biosynthesis comes from
A) citric acid cycle intermediates. B) citric acid cycle intermediates and glycolysis products. C) glycolysis products. D) glycolysis intermediates and products.
Explain the process of soil formation by weathering. What will be an ideal response?
Which phrase best describes how endergonic reactions are coupled within a cell?
a. Endergonic reactions are coupled to endergonic reactions to produce ATP. b. Endergonic reactions are coupled to exergonic reactions to produce ATP. c. Endergonic reactions are coupled to exergonic reactions to produce AMP. d. Endergonic reactions are coupled to endergonic reactions to produce AMP.
Staphylococcus aureus can produce a toxin that dissolves the desmosomes that hold the adjoining cytoplasmic membranes of cells together and causes the patient's skin cells to separate
Indicate whether the statement is true or false