Biology (Mader), 10th Edition

Chapter 14: Biotechnology and Genomics

Polymerase Chain Reaction

View the animation below, then complete the quiz to test your knowledge of the concept.



1.

PCR requires all of the following EXCEPT
A)primers.
B)DNA ligase.
C)DNA polymerase.
D)DNA of interest.
E)deoxyrobinucleotides.
2.

If you start with one double-stranded DNA molecule and you perform SIX cycles of PCR, how many double-stranded copies of the DNA will you have?
A)6
B)8
C)16
D)32
E)64
3.

The most likely source of the Taq polymerase used in PCR is a bacterium that lives in
A)soil.
B)arctic ice.
C)hot vents.
D)humans.
E)plants.
4.

PCR can be used to amplify DNA from any source.
A)True
B)False
5.

During the PCR, the hydrogen bonds of the double-stranded DNA molecules are broken by the enzyme helicase.
A)True
B)False
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe

Please read our Terms of Use and Privacy Notice before you explore our Web site. To report a technical problem with this Web site, please contact the Web Producer.