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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
Proteins involved in opening a replication bubble are

DNA topoisomerase
DNA helicases
single stranded binding proteins
ligase

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DNA Structure and Replication
Automated DNA sequencing uses the chain termination method

but with a polynucleotide primer labeled with a fluorescent dye
but with an oligonucleotide primer labeled with a fluorescent dye
either (b) or (c)
with no primer

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DNA Structure and Replication
Proteins which help to open the double helix for DNA synthesis are

DNA helicases
DNA topoisomerase
ligase
single stranded binding proteins

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

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

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DNA Structure and Replication
TM refers to the temperature at which

membranes are 50% fluid
50% of a protein molecules are denatured
50% of a DNA molecule is denatured
All of these

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