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DNA Structure and Replication

DNA Structure and Replication
DNA replication in eukaryotes occurs only in

G1 phase
M phase
G2 phase
S phase

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DNA Structure and Replication
The enzyme responsible for breaking the hydrogen bonds, and thus separating the DNA strands during DNA synthesis is

none of these
DNA polymerase
helicase
strandase

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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 topoisomerase
DNA helicases
single stranded binding proteins
ligase

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

Saccharomyces cerevisiae
Arabidopsis thaliana
Strongylocentrotus purpuratus
Xenopus laevis

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

Mold
Yeast
Bacteria
Glass crystals

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