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DNA Structure and Replication

DNA Structure and Replication
Enzymes, responsible for unraveling short segments of DNA is

primase
DNA polymerase
DNA ligase
helicase

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DNA Structure and Replication
Which of these drugs bind to DNA and cuts it, producing hydroxyl radicals?

All of these
Tunicamycin
Bleomycin
Erythromycin

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

Saccharomyces cerevisiae
Arabidopsis thaliana
Strongylocentrotus purpuratus
Xenopus laevis

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DNA Structure and Replication
Okazaki fragments occur on the __________ and are bonded together by __________

Lagging strand, ligase
mRNA, anticodons
Leading strand, polymerase
tRNA, polymerase

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DNA Structure and Replication
The most common liquid volumes in molecular biology are measured in

nl
μl
ml
1

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DNA Structure and Replication
The enzyme responsible for breaking the hydrogen bonds, and thus separating the DNA strands during DNA synthesis is

strandase
DNA polymerase
helicase
none of these

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