Exercise: Dna Structure And Replication

Questions for: Dna Structure And Replication

An RNA primer is synthesized by
A:
DNA helicases
B:
ligase
C:
DNA topoisomerase
D:
primase
Answer: D
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First evident that DNA is genetic material comes from the experiment of Griffith is
A:
transduction
B:
transformation
C:
replication
D:
translation
Answer: B
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Proteins which help to open the double helix for DNA synthesis are
A:
DNA helicases
B:
single stranded binding proteins
C:
ligase
D:
DNA topoisomerase
Answer: A
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What does ligase do during replication of DNA?
A:
Synthesizes the lagging strand
B:
Makes copies of mRNA from DNA
C:
Joins nicks in DNA strands
D:
Digests mRNA when it is no longer needed
Answer: C
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DNA segments capable of moving from one place in the genome to another is known as
A:
transposons
B:
retrovirus
C:
introns
D:
moving elements
Answer: A
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