Telomeres
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provides no way to complete the 5 primed ends so repeated rounds of
replication produce shorter DNA molecules but this protects the genes
from being eroded away during successive rounds of DNA replication; they
are special nucleotide sequences at the ends of chromosomes that do not
contain genes and protects the genes; they don't prevent the shortening of
DNA, instead they postpone the erosion of genes
Telomerase-catalyzes the lengthening of telomeres in eukaryotic germ
cells; its purpose is to create telomeres of maximum length in a zygote
Translation
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, The process of using the information in nucleic acids to synthesize proteins.
Point Mutations
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A mutation that results in a change in a single base pair in DNA
Lagging Strand
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to elongate the other new strand (called this), DNA polymerase must work
in the direction away from the replication fork; it is synthesized in segments
called Okazaki fragments which are joined together by DNA ligase; each
Okazaki fragment must be primed; DNA pol I replaces the RNA
nucleotides of the primers with DNA versions adding them to the 3 end
Helicases
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Helicase is an enzyme that breaks hydrogen bonds between nucleotides of
DNA, unzipping a double -stranded DNA molecule.
Transcription
Give this one a try later!
provides no way to complete the 5 primed ends so repeated rounds of
replication produce shorter DNA molecules but this protects the genes
from being eroded away during successive rounds of DNA replication; they
are special nucleotide sequences at the ends of chromosomes that do not
contain genes and protects the genes; they don't prevent the shortening of
DNA, instead they postpone the erosion of genes
Telomerase-catalyzes the lengthening of telomeres in eukaryotic germ
cells; its purpose is to create telomeres of maximum length in a zygote
Translation
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, The process of using the information in nucleic acids to synthesize proteins.
Point Mutations
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A mutation that results in a change in a single base pair in DNA
Lagging Strand
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to elongate the other new strand (called this), DNA polymerase must work
in the direction away from the replication fork; it is synthesized in segments
called Okazaki fragments which are joined together by DNA ligase; each
Okazaki fragment must be primed; DNA pol I replaces the RNA
nucleotides of the primers with DNA versions adding them to the 3 end
Helicases
Give this one a try later!
Helicase is an enzyme that breaks hydrogen bonds between nucleotides of
DNA, unzipping a double -stranded DNA molecule.
Transcription
