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Pre-Test
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1
Each nucleotide subunit of DNA consists of
A)deoxyribose.
B)phosphate group.
C)an organic base.
D)All of the above
2
In DNA, each chain in the helix is a complementary mirror image of the other.
A)True
B)False
3
The Messelson and Stahl experiment confirmed that the model that DNA replicates is in a ________________ manner.
A)conservative
B)semiconservative
C)dispersive
D)All of the above
4
The enzyme that covalently links the lagging sections together once the primers have been removed is called
A)DNA polymerase.
B)helicase.
C)DNA ligase.
D)All of the above
5
Mutations are always inherited.
A)True
B)False





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