Essays Tagged: "Prion"

Prions

Report on Prions based on some articles. Excellent.PRIONSPrions have been a mistery for scientists from the da ... cles. Excellent.PRIONSPrions have been a mistery for scientists from the day they where discovered. Prions act like viruses but they are not. Their structure and chemistry are unknown. They are believ ... and chemistry are unknown. They are believed to be proteins but that is yet to be completely proved.Prion stands for "proteinaceous infectious particles". Prions are known to cause many diseases invol ...

(7 pages) 70 0 3.5 Sep/1996

Subjects: Science Essays > Biology

Speech on different pathogens and the diseases they cause.

Hello Everyone. I'm here to talk about the difference between prions, viruses, bacteria, protozoans, fungi and macro-parasites. These are all pathogens that cause ... gens that cause diseases. I will also be giving examples of the diseases that these pathogens cause.Prions are infectious agents which do not have a nucleic acid genome. Prion diseases are often calle ... ecause of the post mortem appearance of the brain with large vacuoles in the cortex and cerebellum. Prion proteins are found in two forms, the wild type form (PrPc) and the mutant form (PrPsc). Once t ...

(2 pages) 114 1 4.4 Dec/2003

Subjects: Science Essays > Biology

True Nature Of Prions

The True Nature of Prions Research conducted only over the past couple of decades has unveiled a new type of in ... damage to the brain and surrounding central nervous system of humans and other mammals, is called a prion. It has not been completely resolved as to how these agents propagate or how they are composed ... answer the question of replication. The new line of evidence appears to support the theory that the prion interacts with the host cells to turn on the regulator genes. This gene then begins to manufac ...

(5 pages) 11 0 0.0 Nov/2001

Subjects: Science Essays > Biology

CJD

eople, most between 50 and 70 years of age. A marker of the disease is an abnormal protein called a prion that accumulates in the brain of people who have CJD. Transmission of CJD between people is ra ...

(2 pages) 579 0 0.0 Feb/2008

Subjects: Humanities Essays > Health & Medicine > Diseases

BSE disease and the prion PrP that causes it.

e I was searching for material on the internet for my library research paper (NOT related to BSE or prions!), I just happened to come across this article, and I wanted to write about it, as we just ta ... me across this article, and I wanted to write about it, as we just talked about BSE disease and the prion PrP that causes it.This news article was posted on Feb 14th, '06, on the Bioinfo Online websit ...

(1 pages) 499 0 5.0 Jul/2008

Subjects: Science Essays > Biology > Human Biology

"The Definition of Life (Or is it?)" Question: What does it mean to say something is alive, conscious, and/or intelligent? Requirements: 1000-2000 words

ize, and death seem to be necessary conditions for life.One major argument in this field is whether prions are alive. As Sean Henahan said in his article New Findings on Prions, “‘Rogue’ ... cle New Findings on Prions, “‘Rogue’ prions, which are misfolded forms of the normal prions, are unusual in that they can convert normal prions into copies of themselves.” They do ...

(6 pages) 12 0 0.0 Feb/2009

Subjects: Science Essays > Biology

Creutzfeldt–Jakob Disease

Jakob-Creutzfeldt disease) is one of a group of rare fatal brain diseases caused by proteins called prions. The term prion is the name coined by Stanley Prusiner, for "proteinaceous infectious particl ... describe the proteins he identified that cause transmissible spongiform encephalopathies (TSEs), or prion diseases. Prusiner was awarded the Nobel Prize for physiology and medicine in 1997 for his dis ...

(8 pages) 14 0 0.0 Feb/2011

Subjects: Humanities Essays > Health & Medicine