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DNA Structure and Replication

DNA Structure and Replication
What is the range of melting point temperatures (Tm) for most DNA molecules?

60 to 80°C
70 to 90°C
50 to 60°C
80 to l00°C

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DNA Structure and Replication
The 5' and 3' numbers are related to the

the base pair rule
length of the DNA strand
the number of phosphates
carbon number in sugar

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DNA Structure and Replication
Which of the following enzyme adds complementary bases during replication?

Polymerase
Replicase
Helicase
Synthesase

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

Xenopus laevis
Strongylocentrotus purpuratus
Saccharomyces cerevisiae
Arabidopsis thaliana

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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
The role of primase is to

synthesize an RNA primer to begin the elongation process
cleave and unwinds short sections of DNA ahead of the replication fork
proofread base pairing
dismantle RNA primer

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