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DNA gyrase is a bacterial enzyme which introduces supercoils into the bacterial DNA, resulting in a highly condensed 3-dimentional struture. it is also known as Topoisomerase. Quinolones and F/Quinolones inhibit this enzyme and thus interfere with bacterial DNA replication. The enzyme is absent in humans.
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What enzyme can remove or insert super coil twists into circular DNA?
The enzyme topoisomerase is used in inserting or loosing supercoiling in DNA during replication. It is of different type like gyrase, helicase etc. and are found in prokaryotes and eukaryotes respectively
How does DNA polymerase function in the process of transcription?
DNA polymerase does not function in the process of transcription. Transcription is the process where RNA is synthesized from a DNA template by RNA polymerase. DNA polymerase, on the other hand, is involved in DNA replication, where it synthesizes a new DNA strand using a DNA template.
What is the function of lysis buffer in DNA extraction?
The function of lysis buffer in DNA extraction is to break down the cell membrane and nuclear envelope, releasing the DNA from the cell. This allows the DNA to be isolated and purified for further analysis.
What specific component does DNA polymerase III require in order to function correctly?
DNA polymerase III requires a primer, which is a short piece of RNA or DNA, in order to function correctly.
What is the function of most of the DNA in your body?
The main function of most DNA in your body is to store and transmit genetic information that determines your traits and characteristics.
What force makes DNA twist?
DNA gyrase makes it twist
Why is reverse gyrase called reverse gyrase?
The enzyme DNA gyrase produces negative supercoils in DNA. The "negative" refers to the directionality of the supercoil, not the electrical charge of the molecule. Reverse gyrase produces positive supercoils, meaning the DNA supercoils in the opposite direction of the negative supercoil.
What antibiotic is an inhibitor of DNA gyrase?
Fluoroquinolones, such as ciprofloxacin and levofloxacin, are antibiotics that inhibit DNA gyrase, an enzyme involved in bacterial DNA replication and repair. This inhibition disrupts DNA synthesis in bacteria, leading to cell death.
What is an aminocoumarin?
An aminocoumarin is any of a class of antibiotics which act by inhibition of the DNA gyrase enzyme which is involved in bacterial cell division.
What enzyme can remove or insert super coil twists into circular DNA?
The enzyme topoisomerase is used in inserting or loosing supercoiling in DNA during replication. It is of different type like gyrase, helicase etc. and are found in prokaryotes and eukaryotes respectively
What are the major targets for antibiotics?
The most successful antibiotics hit only three targets. The targets that are usually hit are the ribosome, cell wall synthesis and DNA gyrase.
What is the function of most DNA in your body?
The function of most DNA is to build and maintain an organism.
What enzyme is responsible for breaking the hydrogen bonds between the two strands and unwinding the helix?
Helicases and gyrases both function to uncoil the supercoiling of the two DNA strands. Moreover, gyrase is responsible for adjusting the tension in the two strands so that they don't snap while unraveling.
What is the function of DNA chromosomes?
The main function of DNA chromosomes is to carry genes.
What keeps DNA strands from being tangled?
Enzymes called topoisomerases help to prevent DNA strands from becoming tangled. These enzymes are responsible for managing the coiling and uncoiling of the DNA double helix during processes like replication and transcription, ensuring that the strands remain untangled and functional.
What is the function of plasmid DNA?
Plasmids have small pockets of DNA in them.
What is the function of a molecules?
To not be DNA
