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