Which statement about microarrays is false?
A) Microarrays enable scientists to determine the activity of thousands of genes at once.
B) Microarrays use tiny portions of double-stranded RNA fragments from a large number of genes.
C) Microarrays are used to determine which genes are active in different tissues or in tissues of different states of health.
D) Microarrays use fluorescently labeled cDNA molecules to identify particular genes expressed at a particular time.
Answer: B
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