Rabies virus can be directly detected in brain tissue using a(n) ________ assay
A) viral neutralization
B) direct fluorescent antibody
C) immunodiffusion precipitation
D) viral hemagglutination inhibition
E) immunoblot
B
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Photosystem I is responsible for splitting a water molecule in the first step of oxygenic electron flow
Indicate whether the statement is true or false.
A plasmid vector and chromosomal DNA are treated separately with the same restriction enzyme. Which of the following might occur if the digested plasmid and chromosomal DNA were incubated together?
A. The two sticky ends of the plasmid could hybridize back together, recircularizing. B. The two sticky ends of the plasmid could hybridize to both sticky ends of the chromosomal DNA fragments. C. The two sticky ends of the plasmid could hybridize back together and recircularize as well as hybridize to both ends of a fragment of chromosomal DNA. D. The two sticky ends of the plasmid could hybridize with two ends of another type of plasmid. E. The two sticky ends of the vector would remain free or unhybridized.
Which of the following processes would be most likely to occur in the Golgi complex?
A) synthesis of steroids B) production and packaging of lipids C) glycosylation of proteins D) synthesis of DNA E) detoxification of drugs
You dissect a specimen of a vertebrate during an anatomy laboratory. It has the following characteristics: lungs, abundant blood capillaries under thin skin, a partially divided heart, a pulmonary circuit, and four walking legs. What is this animal?
A. placental mammal B. amphibian C. marsupial mammal D. lungfish E. reptile