Multiple Choice
Like DNA microarrays, Northern blots can be used to analyze levels of gene expression. However, Northern blots are almost always prepared with a probe tagged with one label, whereas DNA microarrays almost always use two groups of probes, each one tagged with a different fluorescent label. What advantage is conferred by using two labels for the probes of microarrays?
A) The two labels increase the sensitivity of the microarray.
B) The two labels allow the analysis of the expression of more genes.
C) The two labels allow simultaneous comparison of gene expression between two samples.
D) The two labels allow simultaneous assay of levels of RNA and protein.
Correct Answer:
Verified
Correct Answer:
Verified
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