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DNA Structure and Replication

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

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

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DNA Structure and Replication
In DNA, guanine pairs with

Thymine
Uracil
Adenine
Cytosine

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DNA Structure and Replication
Replication in E. coli is initiated by the generation of short RNA primers using

primase
both (a) and (b)
reverse transcriptase
RNA polymerase

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DNA Structure and Replication
What is the exact name of the classical Watson-Crick double helix DNA?

X-DNA
B-DNA
A-DNA
Z-DNA

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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
Phosphate
Uracil
Guanine

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

Xenopus laevis
Saccharomyces cerevisiae
Arabidopsis thaliana
Strongylocentrotus purpuratus

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