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DNA Structure and Replication

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

1
nl
μl
ml

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DNA Structure and Replication
Which of the following in DNA replication and transcription are common?

synthesis in the 5'-3' direction
utilization the same enzyme
None of these
incorporation of deoxynucleotides

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DNA Structure and Replication
E.coli DNA polymerases II and III lack

partially 5' → 3' endonuclease activity
partially 5' → 3' exonuclease activity
5' → 3' exonuclease activity
5' → 3' endonuclease activity

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

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

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DNA Structure and Replication
The nucleosome consists of histone

None of these
octamer and 146 bp of DNA
hexamer and 146 bp of DNA
tetramer and 146 bp of DNA

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

Arabidopsis thaliana
Xenopus laevis
Saccharomyces cerevisiae
Strongylocentrotus purpuratus

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