The questions and and answers below relate to the Research Techniques Made Simple entitled “Microarray Technique, Analysis and Applications in Dermatology” in the April 2013 issue of Journal of Investigative Dermatology.



1.  The term “array” in microarray refers to the arrangement of which of the following on the chip:

a. the probe
b. the target
c. the fluorophore
d. the antigen

The correct answer is a:  the probe



2. The most common types of probes used for microarrays are:

a. complementary DNA (cDNA)
b. single nucleotide polymorphisms (SNPs)
d.double-stranded DNA

The correct answer is a: complementary DNA (cDNA)



3. Microarray analysis has been used to study

a. melanoma
b. psoriasis
c. cutaneous T-cell lymphoma
d. scleroderma
e. all of the above

The correct answer is e:  all of the above




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