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R-plasmids contain genes for antibiotic resistance and they can be transferred among bacteria. It is common for gut bacteria of humans and other animals to spread antibiotic resistance this way. It is a problem for humans because many bacteria have become resistant to multiple antibiotics.
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What type of plasmid is the source of the problem with antibiotic resistance?
The source of antibiotic resistance is often plasmids known as R plasmids, which carry genes that confer resistance to antibiotics. These plasmids can be transferred between bacteria, spreading antibiotic resistance throughout microbial populations.
What are the 2 types of DNA plasmids found in microorganisms?
Plasmids are autonomous DNA molecules of varying size which are localized within the cytoplasm of bacteria. There are two kinds:virulence plasmids = determines the virulence factors of the bacteriaresistance plasmids (R-plasmids) = determines the bacteria's resistance to anti-infective agents
Why is a plasmid a good way of getting recombinant DNA into a bacteria?
plasmids are very useful in recombinant DNA technology because ; 1. it has own origin of replication. 2.it has some selective markers like ; Amp^r, ter^r etc. 3. it has unique recognition sequence . 4.it has specific restriction sites . 5. it is small in size because in RDT foreign DNA is inserted , if the vector is large sized then after insertion it will creat problem . but due to the small size plasmids donot creat any problem.
Is prokaryote used in plasmids?
No, it's vise versa. Plasmids are used in and by the prokaryotes.
Do eukaryotes possess plasmids in their genetic makeup?
No, eukaryotes typically do not possess plasmids in their genetic makeup. Plasmids are more commonly found in prokaryotic cells.
Do all microbes have plasmids?
No, not all microbes have plasmids. Plasmids are small, circular pieces of DNA that are separate from the microbial genome. While plasmids are common in many bacteria, they are not present in all microbes.
Do all eukaryotic cells have plasmids?
Most plasmids are found in prokaryotic cells, but a few eukaryotic cells also have plasmids. An example of a eukaryote with plasmids is the unicellular yeast Saccharomyces cerevisiae.
Small accessory chromosomes found in bacteria and useful in recombinant DNA procedures are called?
plasmids
How are plasmid classification on their property?
Plasmids are classified as: 1. F plasmid 2. R plasmid 3. Col plasmid F plasmids for fertility factor, it transfers its plasmid to the non fertile making it fertile. R plasmid for certain antibiotic resisitivity..for eg, ampicillin resistance. Col are certain proteins which when produced doesnt let other organisms to invade its cell.
Plasmids are unique to?
bacteria
Can plasmids self-replicate within a bacterial cell?
Yes, plasmids can self-replicate within a bacterial cell.
Are plasmids single or double stranded?
Plasmids can be either single or double stranded, but most commonly they are double stranded.
