Which of the following is false regarding DNA repair mechanisms? DNA ligase is needed to establish phosphodiester bonds after nucleotide excision repair mismatch repair and base excision repair

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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Which of the following is false regarding DNA repair mechanisms?
DNA ligase is needed to establish phosphodiester bonds after nucleotide excision repair,
mismatch repair and base excision repair
Thymine dimers are repaired by nucleotide excision repair enzymes
Transition mutations, whereby a purine is changed to a purine, or a pyrimidine is changed to
a pyrimidine are the most common mutations made by DNA polymerases
Mismatch repair enzymes excise and replace only the single nucleotide that needs to be
replaced
Base excision repair enzymes remove and replace uracil bases that occur as a result of
deamination
Transcribed Image Text:Which of the following is false regarding DNA repair mechanisms? DNA ligase is needed to establish phosphodiester bonds after nucleotide excision repair, mismatch repair and base excision repair Thymine dimers are repaired by nucleotide excision repair enzymes Transition mutations, whereby a purine is changed to a purine, or a pyrimidine is changed to a pyrimidine are the most common mutations made by DNA polymerases Mismatch repair enzymes excise and replace only the single nucleotide that needs to be replaced Base excision repair enzymes remove and replace uracil bases that occur as a result of deamination
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