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DNA Structure and Replication

DNA Structure and Replication
What is the exact name of the classical Watson-Crick double helix DNA?

A-DNA
B-DNA
Z-DNA
X-DNA

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DNA Structure and Replication
Which of the following is not a structural motif in DNA binding proteins?

TFIID
bZIP
zinc finger
helix-turn-helix

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

Adenine
Guanine
Cytosine
Thymine

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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

helicase
DNA polymerase
none of these
strandase

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DNA Structure and Replication
Enzyme, responsible for proofreading base pairing is

Primase
DNA ligase
Telomerase
DNA polymerase

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DNA Structure and Replication
What is the range of melting point temperatures (Tm) for most DNA molecules?

80 to l00°C
70 to 90°C
50 to 60°C
60 to 80°C

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