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