DNA Replication Question Preview (ID: 58914)


DNA Replication. TEACHERS: click here for quick copy question ID numbers.

A DNA Nucleotide is comprised of 3 parts. What are they?
a) ATGC
b) chromosomes, lipids, proteins
c) sugar, phosphate, nitrogenous base
d) sugar, phosphate, hydrogen base

Which nitrogenous bases pair with each other?
a) A-T, G-C
b) A-U, G-G
c) A-T, C-A
d) A-G, C-T

During ___________ replication, parental (original) strands of DNA separate, serve as templates, and produce DNA molecules that have one strand of parental DNA and one strand of new DNA.
a) semiconservative
b) double helix
c) conservative
d) non-conservative

YOU CAN ONLY ADD NEW NUCLEOTIDES TO THE ______ END OF A STRAND.
a) 5'
b) 3'
c) 2'
d) 4'

What enzyme unzips the DNA double helix, thus beginning replication?
a) Exonuclease
b) Primase
c) Helicase
d) DNA Polymerase

Primase is an enzyme that
a) creates a replication fork
b) unzips the DNA double helix
c) adds DNA primer to the 5' end of the DNA template strand
d) adds RNA primer to the 3' end of the DNA template strand

Which enzyme matches up the base pairs?
a) RNA polymerase
b) DNA Polymerase
c) Helicase
d) Primase

On the lagging strand, DNA Polymerase adds new nucleotides in fragments called _______ fragments
a) Hiroshima
b) Nagasaki
c) Okazaki
d) Taikwando

DNA Ligase...
a) glues or seals Okazaki fragments together
b) removes RNA primers
c) Unzips DNA
d) Creates a chromosome

Exonuclease is an enzyme that
a) glues or seals Okazaki fragments
b) removes RNA primers
c) unzips a DNA double helix
d) None of the options

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