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Bacteria are single-celled prokaryotic organisms that can reproduce independently and have cellular structures, including a cell wall and metabolic machinery. In contrast, viruses, viroids, and prions are acellular entities; viruses require a host cell to replicate, viroids consist of short RNA strands without a protein coat, and prions are misfolded proteins that induce misfolding in normal proteins. Additionally, bacteria can carry out metabolic processes and respond to stimuli, while viruses and prions do not exhibit metabolic activity.
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Why has the prion hypothesis been controversial among scientists?
The prion hypothesis has been controversial among scientists because it challenges the traditional understanding of infectious agents. Unlike bacteria or viruses, prions lack genetic material and replicate by inducing normal proteins to adopt a misfolded shape. This unique mode of transmission and the lack of a clear understanding of prion biology have led to skepticism and debate in the scientific community.
What pathogen causes CJD?
Creutzfeldt-Jakob disease (CJD) is caused by abnormal prion proteins that affect the brain's structure and function. It is not caused by a traditional pathogen like a virus or bacteria.
Is an prion infectious protein?
Yes, a prion is an infectious protein that can induce abnormal folding of normal cellular proteins, particularly in the brain. Unlike viruses or bacteria, prions do not contain nucleic acids; instead, they propagate by converting healthy proteins into misfolded forms. This misfolding leads to neurodegenerative diseases, such as Creutzfeldt-Jakob disease and mad cow disease. Prions are resistant to conventional methods of sterilization, making them particularly challenging to control.
What is Secondary structure of prion proteins in prion disease like Creutz feldt-Jakob disease (CJD)?
Secondary structure of prion proteins in prion disease like Creutz feldt-Jakob disease (CJD) is
What is a Prion and why does the body not recognize it as a pathogen?
A prion is an infectious form of a protein that can cause other proteins to misfold in the brain, leading to neurological diseases. The body does not recognize prions as pathogens because they do not contain genetic material like viruses or bacteria, so the immune system does not mount a response against them.
Is mad cow a bacteria?
No. It is a prion, or a misfolded protein.
Why has the prion hypothesis been controversial among scientists?
The prion hypothesis has been controversial among scientists because it challenges the traditional understanding of infectious agents. Unlike bacteria or viruses, prions lack genetic material and replicate by inducing normal proteins to adopt a misfolded shape. This unique mode of transmission and the lack of a clear understanding of prion biology have led to skepticism and debate in the scientific community.
Is cholera prion?
No, cholera fever is not caused by prion. Instead, it is caused by a bacteria Vibrio cholerae. This bacteria fulfills the criteria for a cell as it possesses a limiting cell membrane, a matrix for metabolic reactions, and most importantly a genetic material containing coded information. On the other hand, a prion is simply known to be an infectious protein, and contains no genetic material.
What pathogen causes CJD?
Creutzfeldt-Jakob disease (CJD) is caused by abnormal prion proteins that affect the brain's structure and function. It is not caused by a traditional pathogen like a virus or bacteria.
What is the mean of aggressive pathogen?
A pathogen is something that causes disease, like a bacteria, virus, fungus or prion for example.
Is an prion infectious protein?
Yes, a prion is an infectious protein that can induce abnormal folding of normal cellular proteins, particularly in the brain. Unlike viruses or bacteria, prions do not contain nucleic acids; instead, they propagate by converting healthy proteins into misfolded forms. This misfolding leads to neurodegenerative diseases, such as Creutzfeldt-Jakob disease and mad cow disease. Prions are resistant to conventional methods of sterilization, making them particularly challenging to control.
What Biological agent that is an infective chemical?
Prion Prion
Viruses unlike bacteria are not composed of?
CELLS :)
When was Antarctic Prion created?
Antarctic Prion was created in 1789.
When was Fairy Prion created?
Fairy Prion was created in 1820.
When was Salvin's Prion created?
Salvin's Prion was created in 1912.
When was Fulmar Prion created?
Fulmar Prion was created in 1912.
