The disease of man that is similar to cattle's bovine spongiform encephalopathy is Jacob-Creutzfeldt disease. This is a rare, degenerative, and fatal brain disorder caused by abnormal proteins known as prions. It affects both humans (Jacob-Creutzfeldt disease) and cattle (bovine spongiform encephalopathy) and leads to neurological symptoms.
So, the correct option is (B): Jecob-crutzfelt disease

Study the chemical structure of an addictive drug shown below and answer the questions that follow.
Given below are two statements:
Statement I: Transfer RNAs and ribosomal RNA do not interact with mRNA.
Statement II: RNA interference (RNAi) takes place in all eukaryotic organisms as a method of cellular defence.
In the light of the above statements, choose the most appropriate answer from the options given below:
Health is described as a state of complete physical, mental and social well-being.
The disease is a circumstance where malfunctioning of the body organs occurs leading to uneasiness and discomfort.


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