NEET BIOLOGY

Detailed explanation-1: -BSE also known as Mad Cow Disease is a progressive neurological disorder of cattle that results from infection by an unusual transmissible agent called a prion.

Detailed explanation-2: -Kuru. This disease is seen in New Guinea. It’s caused by eating human brain tissue contaminated with infectious prions. Because of increased awareness about the disease and how it is transmitted, kuru is now rare.

Detailed explanation-3: -Bovine Spongiform Encephalopathy (BSE), or Mad Cow Disease Currently, the most accepted theory is that the agent is a modified form of a normal protein known as prion protein.

Detailed explanation-4: -Most scientists think that BSE is caused by a protein called a prion. For reasons that are not completely understood, the normal prion protein changes into an abnormal prion protein that is harmful. The body of a sick cow does not even know the abnormal prion is there.

Detailed explanation-5: -Prion diseases are transmissible, untreatable, and fatal brain diseases of mammals. Their cause is highly unusual: The host’s normal prion protein can, for unknown reasons, malfunction and assemble into structured aggregates called prions that cause infectious brain disease.