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DNA Structure and Replication

DNA Structure and Replication
Each replication bubbles consists of

1 replication forks
2 replication forks
3 replication forks
4 replication forks

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DNA Structure and Replication
Telomeres are usually rich in which nucleotide?

Adenine
Thymine
Guanine
Cytosine

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DNA Structure and Replication
How does ethidium bromide interact with DNA?

It binds to adenine
It intercalates between bases
It binds to phosphate
It does not interact

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DNA Structure and Replication
The replication of a linear DNA molecule in a eukaryotic chromosome creates a problem which is reported to be sorted out by

using RNA as a template
using enzyme called telomerase
None of these
shortening of the double stranded replicated portion

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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
70 to 90°C
60 to 80°C
80 to l00°C

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

90 °C
60°C
100 °C
70 °C

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