Chapter 6. Making DNA Microarrays

Animation Activities

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Animation Activity 6-26b: Making DNA Microarrays

Currently it is possible to manufacture a DNA array containing as many as ________ oligonucleotides.

300,000–465,000

200,000–250,000

There is no limit to the number of oligonucleotides on a DNA array.

65,000–100,000

500,000–600,000

Correct.

Incorrect.

Try Again.

The array is coated with protecting groups in order to:

prevent RNA deposition.

aid in the addition of RNA fragments.

prevent DNA deposition.

aid in the addition of DNA fragments.

allow hybridization of the known genes.

Correct.

Incorrect.

Try Again.

Synthesis of an oligonucleotide array is complete when each oligonucleotide reaches a length of:

45–50 bases.

20–25 bases.

25–30 bases.

55–60 bases.

35–40 bases.

Correct.

Incorrect.

Try Again.

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