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DNA Structure and Replication

DNA Structure and Replication
Each replication bubbles consists of

4 replication forks
2 replication forks
1 replication forks
3 replication forks

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DNA Structure and Replication
When DNA polymerase is in contact with guanine in the parental strand, what does it add to the growing daughter strand?

Cytosine
Guanine
Phosphate
Uracil

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DNA Structure and Replication
Reverse transcriptase produces

DNA from peptides
RNA from RNA
DNA from RNA
RNA from DNA

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

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

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DNA Structure and Replication
Proteins involved in opening a replication bubble are

DNA topoisomerase
ligase
single stranded binding proteins
DNA helicases

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DNA Structure and Replication
In DNA double helix, the two DNA chains are held together by

None of these
hydrogen bonds between the pair of bases
ionic bonds between the pair of bases
covalent bonds between the pair of bases

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