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DNA Structure and Replication

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

Polymerase I
none of these
Polymerase II
Polymerase III

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DNA Structure and Replication
What is the only common methylation in the DNA of eukaryotes?

Adenosine in GpA dinucleotides
Guanosine in ApGpA trinucleotides
None of these
Cytosine in CpG dinucleotides

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DNA Structure and Replication
Which of the following species lack a 'classical' histone H1?

Strongylocentrotus purpuratus
Arabidopsis thaliana
Xenopus laevis
Saccharomyces cerevisiae

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DNA Structure and Replication
Overwinding or overtightening of DNA during replication is caused and removed by

DNAa, gyrase
DNAb, DNA polymerase
DNAb, gyrase
Single stranded protein, DNAa

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DNA Structure and Replication
DNA with a G-C content of 50% will melt at approximately

60°C
100 °C
70 °C
90 °C

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DNA Structure and Replication
DNA segments capable of moving from one place in the genome to another is known as

transposons
retrovirus
introns
moving elements

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