Which of the following phenomenon proves that viruses are living?

RNA is not found in one of the following organisms

Organisms having either peptide Bonds or phosphodiester Bonds but not Both

I) Viroids II) Viruses III) Prions IV) Bacteria

Which of the following statements is INCORRECT regarding prions?

I. DJ Ivanowsky (1892) recognised certain microbes as causal organisms of the mosaic disease of tobacco

II. MW Beijerinck (1898) demonstrated that the extract of infected plants of tobacco could cause infection in healthy plants and called the fluid as contagium vivum fluidum

III. WM Stanley (1935) showed that these microbes could be crystallised and crystals consist largely of protein

The above statements are assigned to

The agents which are known to cause CJD are

A scientist discovers a new infectious agent that causes disease in plants. It is smaller than a virus and composed solely of RNA without a protein coat. What is the most likely classification of this agent?

The abnormal folding of which cellular protein is associated with prion diseases?

The agents which are known to cause CJD are

Infectious proteins are present in

A new infectious agent that is smaller than virus is