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DNA Structure and Replication

DNA Structure and Replication
Klenow fragment without free nucleotides exhibits

no activity
endonuclease activity
exonuclease activity
nickase activity

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DNA Structure and Replication
First evident that DNA is genetic material comes from the experiment of Griffith is

translation
transformation
replication
transduction

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DNA Structure and Replication
Without telomerase, what would happen to the ends of chromosomes after each round of replication?

Chromosomes would get longer
None of these
Chromosomes would become progressively shorter
Nothing would happen

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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
strandase
DNA polymerase
none 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
In a cesium chloride gradient, DNA labeled with 15N and centrifuged will form a band

with 14N-containing DNA
below DNA containing 14N
above DNA containing 14N
all of these

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MORE MCQ ON DNA Structure and Replication

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