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DNA Structure and Replication

DNA Structure and Replication
Proteins involved in opening a replication bubble are

DNA helicases
single stranded binding proteins
DNA topoisomerase
ligase

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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
Okazaki fragments occur on the __________ and are bonded together by __________

Lagging strand, ligase
tRNA, polymerase
mRNA, anticodons
Leading strand, polymerase

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DNA Structure and Replication
During conventional transformation experiments E. coli cells and plasmid DNA interacts in an environment of

high temperature and Ca++
low temperature and Ca++
low temperature and Mg++
high temperature and Mg++

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

Guanine
Cytosine
Thymine
Adenine

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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

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

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