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Virulent refers to pathogens, particularly viruses or bacteria, that can cause severe disease or harm to their host, often resulting in significant symptoms and high transmission rates. In contrast, avirulent pathogens are less harmful or non-pathogenic; they may exist without causing disease or may only lead to mild symptoms. This distinction is crucial in understanding disease severity and the immune response elicited by different pathogens.
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What is difference between virulent and Avirulent?
Virulent refers to pathogens that are capable of causing disease and often have mechanisms that enhance their ability to infect and harm the host. In contrast, avirulent refers to pathogens that do not cause disease or are less capable of doing so, often due to a lack of harmful traits or factors that allow them to evade the host's immune response. Essentially, virulent strains are harmful, while avirulent strains are benign or less harmful.
What is Difference bet ween H37Rv and H37Ra?
H37Rv and H37Ra are both strains of M. tuberculosis representing virulent (Rv) and avirulent (Ra) strains.
What is an avirulent pathogen?
An avirulent pathogen is a pathogen that is unable to cause disease in its host. This may be due to mutations that have reduced its ability to infect or harm the host, making it less pathogenic compared to a virulent pathogen.
What did Avery's theory provide evidence for?
Ostwald T. Avery's experiment was an extension of the works of Griffith's. Griffith's experiment using virulent and avirulent Streptococcus pneumoniae (which had different colony characteristics) proved that it was possible for the heat killed virulent Streptococcus pneumoniae to pass on the genetic information for formation of smooth colonies to avirulent strains. Avery, Mc Leod and Mc Carty conclusively found out that the genetic material responsible for transfer of characteristics between the strains was DNA. This was achieved by incubating the cell lysate of virulent Streptococcus with proteases, RNAses and DNAses separately before mixing it with avirulent strains. It was found that only when the lysate was incubated with DNAses did the transfer of smooth colony formation characteristic from the virulent strain to the avirulent strain fail to occur.
What is the difference between a temperature and virulent virus?
A virulent virus is a virus that has severe symptoms and is usually a dangerous disease. A temperate virus is a less violent sickness that may show little to no symptoms.
What is a virulent phages?
phages of virulent.
What is the antonym of virulent?
The antonyms of virulent: gentle; kind; nice; harmless; healthy; nonpoisonous
Can you use Virulent in a sentence?
he came down with a virulent type of disease
What does anti virulent mean?
Virulent means very posinous or dangerous.
A sharp criticism can be made with an remark?
virulent
How would use virulent be used in a sentence?
this bacteria is virulent strain
Can you give a sentence for the word virulent?
The judge had a virulent criticism after his affair with the intern.
