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DNA Structure and Replication

DNA Structure and Replication
Telomeres are usually rich in which nucleotide?

Thymine
Adenine
Guanine
Cytosine

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

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

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

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

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DNA Structure and Replication
Which will require a higher temperature to denature?

RNA with a high A-T content
DNA with a high A-T content
DNA with a high G-C content
RNA with a high G-C content

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DNA Structure and Replication
For the DNA replication in eukaryotes, the cell cycle consists of

G1, G2 and M phases
S, G2 and M phases
G2 and M phases
G1,S, G2 and M phases

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DNA Structure and Replication
Reverse transcriptase produces

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

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