Chapter 41 Quiz 1

Which of the following correctly describes the function of restriction enzyme in the production of human insulin by recombinant DNA technology?

• joining the cut DNA fragments and the cut plasmids

• cutting the DNA fragments that contain the human insulin gene and the plasmids

• carrying the gene coding for human insulin into a bacterial cell

• selecting bacterial cells with the gene coding for human insulin

Which of the following correctly describes the function of DNA ligase in the production of human insulin by recombinant DNA technology?

• joining the cut DNA fragments and the cut plasmids

• cutting the DNA fragments that contain the human insulin gene and the plasmids

• carrying the gene coding for human insulin into a bacterial cell

• selecting bacterial cells with the gene coding for human insulin

Which of the following correctly describes the function of antibiotic in the production of human insulin by recombinant DNA technology?

• joining the cut DNA fragments and the cut plasmids

• cutting the DNA fragments that contain the human insulin gene and the plasmids

• carrying the gene coding for human insulin into a bacterial cell

• selecting bacterial cells with the gene coding for human insulin

PCR can be used to make many copies of a specific DNA segment.

• True

• False

DNA ligase is involved in the step of extension in a PCR cycle.

• True

• False

The reaction temperature for primer annealing is generally higher than that for extension in a PCR cycle.

• True

• False

VNTR can be used for personal and parental identification.

• True

• False

DNA fingerprinting can be used to identify whether a food product contains genetically modified organisms or not.

• True

• False

One type of vectors can only be applied to one type of organisms for genetic modification.

• True

• False