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DNA Structure and Replication

DNA Structure and Replication
What is the IUPAC code for an A, C, T ambiguity in a nucleic acid sequence?

B
H
None of these
S

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

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

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DNA Structure and Replication
TM refers to the temperature at which

50% of a protein molecules are denatured
membranes are 50% fluid
50% of a DNA molecule is denatured
All of these

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

none of these
kinoplast
solenoid
halonoid

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DNA Structure and Replication
When DNA polymerase is in contact with guanine in the parental strand, what does it add to the growing daughter strand?

Cytosine
Guanine
Phosphate
Uracil

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DNA Structure and Replication
DNA replication takes place in which direction?

5 'to 3'
3' to 5'
Randomly
Vary from organism to organism

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