Question

QUESTION 73 The name of the scientist who first described viruses as infectious agents is: O A. Marc van Regenmortel B. Martinus Beijerinck OC. Leonard McCoy D. Antoni van Leeuwenhoek OE. Louis Pasteur QUESTION 74 Eukaryotic ribosomes cannot translate polycistronic mRNAS, SARS-coronavirus utilizes which of the following strategies to solve the polycistronic mRNA problem": O A alternative splicing B. discontinuous transcription creating a nested set of mRNAS OC alternative splicing OD.protease cleavage of a polyprotein E segmented genome

Answer 1

Question 73: -

Correct option is B. Martinus Beijerink.   

He first made the discovery of virus as contagious living fluids and told that the viruses are infectious agents. He termed the contagious living fluids as virus because in Latin, poison is called virus. Virology, the study viruses started as a new field in science after this discovery.

Option A is wrong because Marc van Regenmortel is a scientist in virology who has vital contribution in virus classification and he did not discover virus and its capability to infect.

Option C is wrong because Leonard McCoy is a fictional character in Star Trek.

Option D is wrong because Antonie van Leewenhoek is a famous microbiologist who has first observed bacteria and he did not discover virus and its capability to infect.

Option E is wrong because Louis Pasteur discovered vaccine not virus or its capability to infect.