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The correct answer is - They cannot reproduce outside a host cell
Viruses are connecting link between living and non-living things. They can be obtained in crystals which is a non-living property. Using energy of the host they can make their own copy. It is a living organism's property. Thus viruses are made of nucleoprotein which can reproduce using energy of the host because they lack their own energy producing system. Therefore, they cannot reproduce outside a host cell.
The reason why viruses are not classified with either prokaryotes and eukaryote organisms is: D. They cannot reproduce outside a host cell.
What is a prokaryote?
A prokaryote refers to a unicellular organism which is typically characterized by a cell that is devoid of a well-defined cell organelle such as a nucleus.
What is a eukaryote?
An eukaryote can be defined as an organism which is characterized by a well-defined cell organelle such as a nucleus.
Generally, viruses are not classified with either prokaryotes and eukaryote organisms because they cannot reproduce outside a host cell, either through se-xual or ase-xual reproduction.
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