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DNA Structure and Replication

DNA Structure and Replication
Who's X-ray work aided Watson and Crick in their discovery of the double helix?

W.H. Bragg
Leaderberg
R. Franklin
L. Pauling

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DNA Structure and Replication
The chromosomal DNA complexes with

five types of histone as H1, H2A, H2B, H3 and H4
three types of histone as H1, H2A and H4
two types of histone as H1 and H4
four types of histone as H1, H2A, H3 and H4

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

ligase
DNA topoisomerase
DNA helicases
single stranded binding proteins

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DNA Structure and Replication
The overall conclusion of the Hershey-Chase experiment was that

phage DNA was similar to bacterial DNA
DNA was responsible for heredity
proteins and DNA were responsible for heredity
the ratio of Adenine to thymine was always the same

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

solenoid
kinoplast
halonoid
none of these

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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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