Which test uses radioactive isotopes to label antibodies or antigens in order to detect minute amounts of corresponding antigen or antibody?
A. Radioimmunoassay (RIA)
B. Ouchterlony double diffusion
C. Immunelectrophoresis
D. Quellung test
E. Western blot
Answer: A
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A doctor diagnosis a child with adrenoleukodystrophy (ALD) a disorder in which there is an accumulation of long fatty acid chains accumulating in the cells of the central nervous system. The issues arise with malfunctions in enzymes associated with which organelle?
A. Golgi bodies B. ribosomes C. vacuoles D. peroxisomes E. endoplasmic reticulum Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you know about fatty acid accumulation in cells? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Which of the following organisms causes plague?
A. Helicobacter pylori B. Bordetella pertussis C. Campylobacter jejuni D. Yersinia pestis
The pH at which most fungi thrive is
A. 3.0. B. 5.0. C. 7.0. D. 8.0.
Endosperm tissue of angiosperms has what ploidy level?
A. n B. 2n C. 3n D. 4n E. 8n