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practice exam 4
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a frameshift mutation in a gene encoding a protien
result in the production of a nonfunctional peptide
translation
a single mRNA have several ribosomes attached
language of nucleotides is changed to language of amino acids
there are three stop codons
molecule of tRNA can bind to both an mRNA and an amino acid
transformation is the
transfer of DNA from a donor to a recipient by naked DNA in a solution
enzymes reqired for DNA replication
DNA polymerase
DNA ligase
RNA polymerase
helicase
DNA polymerase
makes a molecule of DNA from a DNA template
DNA ligase
joins segments of DNA
RNA polymerase
makes a molecule of RNA from a DNA template
genetic change in bacteria can be brough about by
mutation
conjugation
transduction
transformation
not
: transcription
Chemical 5-bromouracil
mutagen becuase it is similar in structure but not base pairing ability to thymine
pro-ala-gly
CCA GCG GGC
central dogma
involving information transfer in cells
replication
translation
transcription
not
: transformation
inducible enzyme
enzyme produced in response to the presence of a substrate like lactose
if the template is from a human cell
dna synthesized would be most similar to human DNA
a mutation will result in
a change in the DNA sequence
a change in the amino acid sequence
DNA polymerase requires
a 3' -OH nucleotide primer
RNA polymerase doesent
involved in translation
ribosome
anitcodon
messenger RNA
start codo AUG
not:inducer
damage caused by UV radiation
results in the formation of thymine dimers
a plasmid cleaved with ECORI can recombine
with another plasmid that has been digested with ecoRI
missense mutation
causes the least amount of change in a gene
retro viruses
have reverse transcriptase
Author
andreathors16
ID
150855
Card Set
practice exam 4
Description
test 4
Updated
4/29/2012, 6:09:56 AM
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