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Microarrays

View the animation below, then complete the quiz to test your knowledge of the concept.






1A microarray is a
A)ray of a small wavelength
B)a type of ultraviolet ray
C)an RNA probe used to identify viruses
D)an arrangement of oligonucleotide probes, closely arranged on a small solid support surface



2A microarray commonly contains _______ nucleotides.
A)1–5
B)5–15
C)15–25
D)25–100
E)100–500



3When interpreting the results of microarrays, the degree of hybridization between a given probe and an organism to be identified is measured by
A)turbidity read in a spectrophotometer
B)color intensity of an image produced by scanning with a laser beam
C)length of the probe formed
D)degree of agglutination
E)microscopy



4When building a microarray, we know the sequence of the oligonucleotides, but not their position.
A)True
B)False



5Nucleotides are made to attach to the glass by a light activation reaction.
A)True
B)False







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