Three common ways to repair changes in DNA structure are nucleotideexcision repair, mismatch repair, and homologous recombination repair. Which of these three mechanisms would be used to fix the following types of DNA changes?A. A change in the structure of a base caused by a mutagen in anondividing eukaryotic cellB. A change in DNA sequence caused by a mistake made by DNApolymeraseC. A thymine dimer in the DNA of an actively dividing bacterial cell
Bacterial Genomics
The study of the morphological, physiological, and evolutionary aspects of the bacterial genome is referred to as bacterial genomics. This subdisciplinary field aids in understanding how genes are assembled into genomes. Further, bacterial or microbial genomics has helped researchers in understanding the pathogenicity of bacteria and other microbes.
Transformation Experiment in Bacteria
In the discovery of genetic material, the experiment conducted by Frederick Griffith on Streptococcus pneumonia proved to be a stepping stone.
Plasmids and Vectors
The DNA molecule that exists in a circular shape and is smaller in size which is capable of its replication is called Plasmids. In other words, it is called extra-chromosomal plasmid DNA. Vectors are the molecule which is capable of carrying genetic material which can be transferred into another cell and further carry out replication and expression. Plasmids can act as vectors.
Three common ways to repair changes in DNA structure are
excision repair, mismatch repair, and homologous recombination repair. Which of these three mechanisms would be used to fix the following types of DNA changes?
A. A change in the structure of a base caused by a mutagen in a
nondividing eukaryotic cell
B. A change in DNA sequence caused by a mistake made by DNA
polymerase
C. A thymine dimer in the DNA of an actively dividing bacterial cell
DNA repair, it is a mechanism by which a cell recognise, or identify the mutations, damage, or any kind of mismatch pairs in DNA and correct it.
There are three main type of DNA repair methods
1. nucleotide excision repair,
2. mismatch repair, and
3. homologous recombination
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