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DNA Structure and Replication

DNA Structure and Replication
Deoxyribonucleoside triphosphates, being need in the chain termination methods are

dTTP
all of these
dATP
dGTP and dCTP

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

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

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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

strandase
none of these
helicase
DNA polymerase

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DNA Structure and Replication
Which enzyme catalyzes the elongation of DNA molecules?

Primase
Helicase
DNA ligase
DNA polymerase

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

Saccharomyces cerevisiae
Strongylocentrotus purpuratus
Arabidopsis thaliana
Xenopus laevis

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

transduction
translation
replication
transformation

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