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How many hosts does chlamydia have?
Chlamydia trachomatis has only the human host.
What protects the bacterium from the hosts immune system?
the capsule (outer covering of the bacteria)
Why are young and old people susceptible hosts?
Because their immune system's are not good.
Do viruses use evolution?
Viruses do not have the ability to evolve in the same way as living organisms with DNA. However, they can undergo genetic changes through mutations and recombination which can impact their ability to infect hosts and evade the immune system. This can lead to the emergence of new strains or variants of viruses.
What are tryponosomes?
Trypanosomes are a type of parasitic protozoa that can cause diseases in humans and animals, such as sleeping sickness in humans and nagana in animals. They are transmitted to their hosts through the bite of infected tsetse flies. Trypanosomes have a unique characteristic of being able to evade the host's immune system by changing their surface proteins.
How do tapeworms avoid the host's defenses?
Tapeworms are the adult class of parasites and they are fond of living inside the intestine of their hosts. Tapeworms passively avoid the host defensive system by host digestive system due to the tapeworms coating that keeps on producing by itself and use it as its defense mechanism.
How does strep survive?
Streptococcus bacteria survive by utilizing various strategies, such as forming capsules that protect them from the host's immune system, allowing them to evade phagocytosis. They also produce enzymes and toxins that help them invade tissues and obtain nutrients from their environment. Additionally, some strains can form biofilms, enhancing their resilience against both immune responses and antibiotic treatment. Their ability to adapt to different environments, including human hosts, contributes to their survival and pathogenicity.
What is salmonella cell function?
Salmonella is a genus of bacteria that can cause foodborne illness in humans. Its cell function involves mechanisms for survival and replication, allowing it to invade host cells and evade the immune system. Salmonella can utilize various nutrients from its environment and produce virulence factors, such as toxins, that promote infection and inflammation. Its ability to adapt to different hosts and environments contributes to its pathogenicity.
What is Harmless variant of a pathogen that stimulates a hosts immume system to mount a defense against the pathogen?
A harmless variant of a pathogen that stimulates a host's immune system is known as a vaccine. Vaccines contain weakened or inactivated parts of the pathogen, such as proteins or sugars, which provoke an immune response without causing disease. This prepares the immune system to recognize and fight the actual pathogen if the host is exposed in the future. By training the immune system in this way, vaccines help prevent infections and contribute to herd immunity.
Why is cyst formation an advantage to a parasitic protozoan?
Cyst formation allows parasitic protozoa to survive in unfavorable environments (such as outside the host), protecting them from harsh conditions. It also facilitates their transmission to new hosts, as cysts are more resistant and can be easily ingested by the host. Additionally, cysts help parasites evade the host's immune system and maintain their population over time.
What is the parasitic adaptation of liverfluke?
Liver flukes, such as Fasciola hepatica, exhibit several parasitic adaptations that enhance their survival and reproduction within their hosts. They have developed a flattened, leaf-like body shape that allows them to adhere to the host's liver tissue and evade the immune response. Additionally, they possess suckers for attachment and a complex life cycle involving intermediate hosts (like snails) to ensure their transmission. Their ability to produce a large number of eggs also increases their chances of infecting new hosts.
What does CO19 carry around?
CO19, often referring to a specific variant of the coronavirus, does not "carry around" anything in the traditional sense. However, it can be understood that it carries genetic material (RNA) that enables it to replicate and spread among hosts. This virus can also carry proteins that help it evade the immune system and infect human cells. In a broader context, CO19 can be associated with the transmission of respiratory droplets that may contain the virus.
