When Microarrays Are Used to Study Gene Expression Patterns, Each

Multiple Choice

When microarrays are used to study gene expression patterns, each spot on a microarray contains thousands of copies of

A) an oligonucleotide, with the same oligonucleotide in all spots.
B) an oligonucleotide, with different oligonucleotides in different spots.
C) a plasmid, with the same plasmid in each spot.
D) a plasmid, with different plasmids in different spots.
E) an expression vector, with different expression vectors in different spots.