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DNA Structure and Replication

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

ml
1
μl
nl

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

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

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DNA Structure and Replication
Which of the following would not contain DNA?

Glass crystals
Bacteria
Yeast
Mold

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

Arabidopsis thaliana
Saccharomyces cerevisiae
Xenopus laevis
Strongylocentrotus purpuratus

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DNA Structure and Replication
One hypothesis of DNA replication suggested that the parental DNA molecules are broken into fragments. Both strands of DNA in each of the daughter molecules are made up of an assortment of parental and new DNA. This statement refers to which hypothesis?

Semi-conservative theory
Dispersive theory
Evolutionary theory
Conservative theory

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DNA Structure and Replication
DNA with a G-C content of 50% will melt at approximately

70 °C
100 °C
60°C
90 °C

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