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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?

None of these
B
S
H

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DNA Structure and Replication
Proteins involved in opening a replication bubble are

ligase
single stranded binding proteins
DNA helicases
DNA topoisomerase

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DNA Structure and Replication
The nicks or gaps between Okazaki fragments are eventually sealed by

DNA ligase
gyrase
polymerase
RNA ligase

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DNA Structure and Replication
The role of primase is to

dismantle RNA primer
synthesize an RNA primer to begin the elongation process
proofread base pairing
cleave and unwinds short sections of DNA ahead of the replication fork

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DNA Structure and Replication
DNA segments capable of moving from one place in the genome to another is known as

introns
moving elements
retrovirus
transposons

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DNA Structure and Replication
In sperm heads, DNA is particularly highly condensed and the histones are replaced with small basic protein called

protamines
purines
pyrimidines
All of these

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