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DNA Structure and Replication

DNA Structure and Replication
Which DNA polymerase removes RNA primers in DNA synthesis?

none of these
Polymerase III
Polymerase I
Polymerase II

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DNA Structure and Replication
The 5' and 3' numbers are related to the

length of the DNA strand
carbon number in sugar
the base pair rule
the number of phosphates

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DNA Structure and Replication
Without telomerase, what would happen to the ends of chromosomes after each round of replication?

Chromosomes would become progressively shorter
Nothing would happen
None of these
Chromosomes would get longer

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DNA Structure and Replication
There is a single origin for DNA replication in bacteria. How many origins of replication are found in the much larger genomes of eukaryotes such as mammals?

One
none of these
About 100
Thousands and tens of thousands

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DNA Structure and Replication
In DNA replication, one new strand is synthesized complementary to an old (parent) strand and is referred as

discontinuous
mutational
semiconservative
antiparallel

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DNA Structure and Replication
The RNA primers used to initiate replication in E. coli

are joined together by DNA ligase
are removed by helicase + ATP
are removed by Pol I
result in Okazaki fragments on leading strand

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