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DNA Structure and Replication

DNA Structure and Replication
30 nm wide helix with five or six nucleosomes per helix is known as

kinoplast
solenoid
none of these
halonoid

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

DNA helicases
ligase
DNA topoisomerase
single stranded binding proteins

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DNA Structure and Replication
The DNA polymerase in bacteria, responsible for DNA synthesis is

all of these
Polymerase II
Polymerase III
Polymerase I

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

DNA topoisomerase
single stranded binding proteins
DNA helicases
ligase

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

Saccharomyces cerevisiae
Strongylocentrotus purpuratus
Arabidopsis thaliana
Xenopus laevis

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DNA Structure and Replication
Replication in E. coli is initiated by the generation of short RNA primers using

RNA polymerase
reverse transcriptase
both (a) and (b)
primase

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